The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
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COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
AMAZON COM INC COM Stock 023135106 286 168 SH   SOLE 0 168 0 0
CAMDEN NATL CORP COM Stock 133034108 1,763 38,585 SH   SOLE 0 38,585 0 0
HINGHAM INSTN SVGS MASS COM Stock 433323102 3,676 16,744 SH   SOLE 0 16,744 0 0
ISHARES COMEX GOLD TRUST ETF 464285105 421 35,000 SH   SOLE 0 35,000 0 0
BAR HBR BANKSHARES COM Stock 066849100 4,170 137,676 SH   SOLE 0 137,676 0 0
HUBBELL INC COM Stock 443510607 448 4,235 SH   SOLE 0 4,235 0 0
JOHNSON & JOHNSON COM Stock 478160104 7,076 58,318 SH   SOLE 0 58,318 0 0
ISHARES MSCI EMERGING MARKETS ETF ETF 464287234 217 5,000 SH   SOLE 0 5,000 0 0
PROCTER AND GAMBLE CO COM Stock 742718109 3,372 43,193 SH   SOLE 0 43,193 0 0
COCA COLA CO COM Stock 191216100 239 5,442 SH   SOLE 0 5,441 0 0
S&P GLOBAL INC COM Stock 78409V104 260 1,275 SH   SOLE 0 1,275 0 0
GENERAL MLS INC COM Stock 370334104 3,692 83,415 SH   SOLE 0 83,415 0 0
UNITED PARCEL SERVICE INC CL B Stock 911312106 1,187 11,174 SH   SOLE 0 11,174 0 0
BIOGEN INC COM Stock 09062X103 2,237 7,709 SH   SOLE 0 7,709 0 0
VENTAS INC COM REIT 92276F100 3,859 67,810 SH   SOLE 0 67,810 0 0
INTEL CORP COM Stock 458140100 392 7,889 SH   SOLE 0 7,889 0 0
WILEY JOHN & SONS INC CL A Stock 968223206 2,076 33,276 SH   SOLE 0 33,276 0 0
ISHARES SILVER TRUST ETF 46428Q109 454 30,000 SH   SOLE 0 30,000 0 0
PROSHARES SHORT RUSSELL2000 ETF 74348A210 332 8,500 SH   SOLE 0 8,500 0 0
WATERS CORP COM Stock 941848103 421 2,175 SH   SOLE 0 2,175 0 0
SANOFI SPONSORED ADR ADR 80105N105 4,343 108,547 SH   SOLE 0 108,547 0 0
MERCK & CO INC COM Stock 58933Y105 2,490 41,027 SH   SOLE 0 41,026 0 0
SPDR S&P 500 ETF ETF 78462F103 590 2,175 SH   SOLE 0 2,175 0 0
INSPERITY INC COM Stock 45778Q107 3,203 33,705 SH   SOLE 0 33,705 0 0
ILLINOIS TOOL WKS INC COM Stock 452308109 4,618 33,330 SH   SOLE 0 33,330 0 0
EMERSON ELEC CO COM Stock 291011104 323 4,670 SH   SOLE 0 4,670 0 0
EDUCATION RLTY TR INC COM NEW REIT 28140H203 4,361 105,185 SH   SOLE 0 105,185 0 0
SMUCKER J M CO COM NEW Stock 832696405 1,651 15,360 SH   SOLE 0 15,360 0 0
NATUS MEDICAL INC DEL COM Stock 639050103 2,034 58,955 SH   SOLE 0 58,955 0 0
SYMANTEC CORP COM Stock 871503108 3,542 171,509 SH   SOLE 0 171,509 0 0
VERIZON COMMUNICATIONS INC COM Stock 92343V104 2,594 51,570 SH   SOLE 0 51,570 0 0
NEW GOLD INC CDA COM Stock 644535106 151 72,500 SH   SOLE 0 72,500 0 0
SONOCO PRODS CO COM Stock 835495102 377 7,180 SH   SOLE 0 7,180 0 0
FEDEX CORP COM Stock 31428X106 371 1,634 SH   SOLE 0 1,634 0 0
PEPSICO INC COM Stock 713448108 2,141 19,670 SH   SOLE 0 19,669 0 0
UNILEVER N V N Y SHS NEW ADR 904784709 5,009 89,892 SH   SOLE 0 89,892 0 0
HONEYWELL INTL INC COM Stock 438516106 611 4,243 SH   SOLE 0 4,243 0 0
US BANCORP DEL COM NEW Stock 902973304 259 5,180 SH   SOLE 0 5,180 0 0
HOME DEPOT INC Stock 437076102 2,317 11,878 SH   SOLE 0 11,878 0 0
BAXTER INTL INC COM Stock 071813109 238 3,217 SH   SOLE 0 3,217 0 0
AUTOMATIC DATA PROCESSING INC COM Stock 053015103 4,773 35,580 SH   SOLE 0 35,580 0 0
DOWDUPONT INC COM Stock 26078J100 1,943 29,481 SH   SOLE 0 29,481 0 0
BECTON DICKINSON & CO COM Stock 075887109 3,060 12,773 SH   SOLE 0 12,773 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW Stock 084670702 448 2,399 SH   SOLE 0 2,399 0 0
ALPHABET CLASS A Stock 02079K305 1,982 1,755 SH   SOLE 0 1,755 0 0
INTUIT COM Stock 461202103 3,959 19,377 SH   SOLE 0 19,377 0 0
MICROSOFT CORP COM Stock 594918104 3,142 31,859 SH   SOLE 0 31,859 0 0
HCP INC COM REIT 40414L109 2,362 91,575 SH   SOLE 0 91,575 0 0
CVS HEALTH CORP COM Stock 126650100 2,695 41,852 SH   SOLE 0 41,852 0 0
TENNANT CO COM Stock 880345103 1,276 16,150 SH   SOLE 0 16,149 0 0
NEXTERA ENERGY INC COM Stock 65339F101 330 1,974 SH   SOLE 0 1,974 0 0
NIKE INC CL B Stock 654106103 353 4,425 SH   SOLE 0 4,425 0 0
CONNECTICUT WTR SVC INC COM Stock 207797101 2,589 39,634 SH   SOLE 0 39,634 0 0
GOLDCORP INC NEW COM Stock 380956409 781 56,950 SH   SOLE 0 56,950 0 0
LIBERTY PPTY TR SH BEN INT REIT 531172104 614 13,859 SH   SOLE 0 13,859 0 0
WALGREENS BOOTS ALLIANCE INC COM Stock 931427108 273 4,550 SH   SOLE 0 4,550 0 0
AMERESCO INC CL A Stock 02361E108 906 75,500 SH   SOLE 0 75,500 0 0
CENTURY BANCORP INC MASS CL A NON VTG Stock 156432106 8,045 105,267 SH   SOLE 0 105,267 0 0
WABTEC CORP COM Stock 929740108 841 8,538 SH   SOLE 0 8,538 0 0
LILLY ELI & CO COM Stock 532457108 215 2,523 SH   SOLE 0 2,523 0 0
AIR PRODS & CHEMS INC COM Stock 009158106 379 2,435 SH   SOLE 0 2,435 0 0
CHATHAM LODGING TR COM REIT 16208T102 318 15,000 SH   SOLE 0 15,000 0 0
LIFE STORAGE INC COM REIT 53223X107 374 3,845 SH   SOLE 0 3,845 0 0
SYSCO CORP COM Stock 871829107 1,325 19,398 SH   SOLE 0 19,398 0 0
MIDDLESEX WATER CO COM Stock 596680108 662 15,709 SH   SOLE 0 15,709 0 0
UTAH MED PRODS INC COM Stock 917488108 3,409 30,981 SH   SOLE 0 30,981 0 0
HMS HLDGS CORP COM Stock 40425J101 1,144 52,930 SH   SOLE 0 52,930 0 0
FIRST SOLAR INC COM Stock 336433107 1,167 22,155 SH   SOLE 0 22,155 0 0
PIMCO 0-5 YEAR HIGH YIELD CORPORATE BOND INDEX EXCHANGE-TRADED FUND ETF 72201R783 348 3,500 SH   SOLE 0 3,500 0 0
TRACTOR SUPPLY CO COM Stock 892356106 3,175 41,512 SH   SOLE 0 41,512 0 0
NEOGEN CORP COM Stock 640491106 378 4,715 SH   SOLE 0 4,715 0 0
MID AMER APT CMNTYS INC COM REIT 59522J103 2,716 27,005 SH   SOLE 0 27,005 0 0
BROADCOM INC COM Stock 11135F101 378 1,559 SH   SOLE 0 1,559 0 0
EXPEDITORS INTL WASH INC COM Stock 302130109 3,420 46,818 SH   SOLE 0 46,818 0 0
CALIFORNIA WTR SVC GROUP COM Stock 130788102 779 19,995 SH   SOLE 0 19,995 0 0
MILLER HERMAN INC COM Stock 600544100 1,194 35,325 SH   SOLE 0 35,325 0 0
UNITED NAT FOODS INC COM Stock 911163103 4,547 106,576 SH   SOLE 0 106,576 0 0
GENUINE PARTS CO COM Stock 372460105 3,430 37,375 SH   SOLE 0 37,375 0 0
ABBVIE INC COM Stock 00287Y109 971 10,483 SH   SOLE 0 10,483 0 0
CUSTOMERS BANCORP INC COM Stock 23204G100 1,693 59,670 SH   SOLE 0 59,670 0 0
TELUS CORP COM Stock 87971M103 3,393 95,533 SH   SOLE 0 95,533 0 0
AMERICAN CAMPUS CMNTYS INC COM REIT 024835100 805 18,770 SH   SOLE 0 18,770 0 0
COLUMBIA PPTY TR INC COM NEW REIT 198287203 7,076 311,600 SH   SOLE 0 311,600 0 0
HANNON ARMSTRONG SUST INFR CAP COM REIT 41068X100 4,063 205,771 SH   SOLE 0 205,771 0 0
STRYKER CORP COM Stock 863667101 1,348 7,982 SH   SOLE 0 7,982 0 0
HAIN CELESTIAL GROUP INC Stock 405217100 1,930 64,758 SH   SOLE 0 64,758 0 0
MCDONALDS CORP COM Stock 580135101 1,756 11,204 SH   SOLE 0 11,204 0 0
QUEST DIAGNOSTICS INC COM Stock 74834L100 707 6,440 SH   SOLE 0 6,440 0 0
CITRIX SYS INC COM Stock 177376100 584 5,574 SH   SOLE 0 5,574 0 0
CISCO SYS INC COM Stock 17275R102 8,630 200,560 SH   SOLE 0 200,559 0 0
AT&T INC COM Stock 00206R102 424 13,197 SH   SOLE 0 13,197 0 0
PHYSICIANS RLTY TR COM REIT 71943U104 3,656 229,370 SH   SOLE 0 229,370 0 0
GENERAL ELECTRIC CO COM Stock 369604103 303 22,233 SH   SOLE 0 22,233 0 0
ALAMOS GOLD INC NEW COM CL A Stock 011532108 102 18,000 SH   SOLE 0 18,000 0 0
CIGNA CORPORATION COM Stock 125509109 280 1,647 SH   SOLE 0 1,647 0 0
WELLS FARGO CO NEW COM Stock 949746101 282 5,078 SH   SOLE 0 5,078 0 0
MICROCHIP TECHNOLOGY INC COM Stock 595017104 332 3,650 SH   SOLE 0 3,650 0 0
MCCORMICK & CO INC COM NON VTG Stock 579780206 4,408 37,974 SH   SOLE 0 37,973 0 0
THERMO FISHER SCIENTIFIC INC COM Stock 883556102 890 4,298 SH   SOLE 0 4,298 0 0
JPMORGAN CHASE & CO COM Stock 46625H100 564 5,412 SH   SOLE 0 5,412 0 0
EXPRESS SCRIPTS HLDG CO COM Stock 30219G108 475 6,150 SH   SOLE 0 6,150 0 0
WALMART INC COM Stock 931142103 286 3,336 SH   SOLE 0 3,336 0 0
INTERNATIONAL BUSINESS MACHS COM Stock 459200101 1,415 10,131 SH   SOLE 0 10,131 0 0
TEXAS INSTRS INC COM Stock 882508104 1,700 15,430 SH   SOLE 0 15,430 0 0
INVESCO GLOBAL CLEAN ENERGY ETF ETF 46138G847 248 20,840 SH   SOLE 0 20,840 0 0
PFIZER INC COM Stock 717081103 2,293 63,205 SH   SOLE 0 63,205 0 0
3M CO COM Stock 88579Y101 3,553 18,063 SH   SOLE 0 18,063 0 0
GILEAD SCIENCES INC COM Stock 375558103 3,202 45,196 SH   SOLE 0 45,196 0 0
ALPHABET INC CAP STK CL C Stock 02079K107 934 837 SH   SOLE 0 837 0 0
AMERICAN EXPRESS CO COM Stock 025816109 217 2,212 SH   SOLE 0 2,212 0 0
AMGEN INC COM Stock 031162100 3,950 21,401 SH   SOLE 0 21,401 0 0
UNITED FINL BANCORP INC NEW COM Stock 910304104 966 55,115 SH   SOLE 0 55,115 0 0
AQUA AMERICA INC COM Stock 03836W103 853 24,241 SH   SOLE 0 24,241 0 0
WGL HLDGS INC COM Stock 92924F106 498 5,614 SH   SOLE 0 5,614 0 0
COMMUNITY BK SYS INC COM Stock 203607106 212 3,581 SH   SOLE 0 3,581 0 0
CREE INC COM Stock 225447101 208 5,000 SH   SOLE 0 5,000 0 0
IDACORP INC COM Stock 451107106 212 2,301 SH   SOLE 0 2,301 0 0
PNC FINL SVCS GROUP INC COM Stock 693475105 438 3,243 SH   SOLE 0 3,243 0 0
BRISTOL MYERS SQUIBB CO COM Stock 110122108 318 5,752 SH   SOLE 0 5,752 0 0
AMERICAN WTR WKS CO INC NEW COM Stock 030420103 1,244 14,570 SH   SOLE 0 14,570 0 0
EXXON MOBIL CORP COM Stock 30231G102 347 4,197 SH   SOLE 0 4,197 0 0
TRAVELERS COMPANIES INC COM Stock 89417E109 253 2,068 SH   SOLE 0 2,068 0 0
SUN HYDRAULICS CORP COM Stock 866942105 849 17,617 SH   SOLE 0 17,617 0 0
COLGATE PALMOLIVE CO COM Stock 194162103 485 7,488 SH   SOLE 0 7,488 0 0
VODAFONE GROUP PLC NEW SPONSORED ADR ADR 92857W308 6,271 257,955 SH   SOLE 0 257,955 0 0
NOVO-NORDISK A S ADR ADR 670100205 3,063 66,408 SH   SOLE 0 66,408 0 0
SCHWAB CHARLES CORP NEW COM Stock 808513105 1,055 20,650 SH   SOLE 0 20,650 0 0
ISHARES S&P MIDCAP FUND ETF 464287507 351 1,800 SH   SOLE 0 1,800 0 0
KADANT INC COM Stock 48282T104 1,410 14,663 SH   SOLE 0 14,663 0 0
APPLE INC COM Stock 037833100 11,209 60,579 SH   SOLE 0 60,579 0 0
ABBOTT LABS COM Stock 002824100 688 11,286 SH   SOLE 0 11,286 0 0
DISNEY WALT CO COM DISNEY Stock 254687106 507 4,835 SH   SOLE 0 4,835 0 0