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
hours per response: 23.8
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
CERNER CORP COM Stock 156782104 209 4,421 SH   SOLE 0 4,421 0 0
CAMDEN NATL CORP COM Stock 133034108 3,369 75,784 SH   SOLE 0 75,784 0 0
HINGHAM INSTN SVGS MASS COM Stock 433323102 3,044 15,470 SH   SOLE 0 15,470 0 0
CECO ENVIRONMENTAL CORP COM Stock 125141101 425 30,497 SH   SOLE 0 30,497 0 0
ISHARES COMEX GOLD TRUST ETF 464285105 133 12,000 SH   SOLE 0 12,000 0 0
EXACTECH INC COM Stock 30064E109 2,008 73,549 SH   SOLE 0 73,549 0 0
BAR HBR BANKSHARES COM Stock 066849100 4,440 93,815 SH   SOLE 0 93,815 0 0
HUBBELL INC COM Stock 443510607 887 7,599 SH   SOLE 0 7,599 0 0
JOHNSON & JOHNSON COM Stock 478160104 6,740 58,503 SH   SOLE 0 58,503 0 0
VANGUARD TOTAL STOCK MARKET INDEX FUND ETF 922908769 339 2,939 SH   SOLE 0 2,939 0 0
PROCTER AND GAMBLE CO COM Stock 742718109 3,318 39,459 SH   SOLE 0 39,459 0 0
COCA COLA CO COM Stock 191216100 264 6,360 SH   SOLE 0 6,359 0 0
S&P GLOBAL INC COM Stock 78409V104 452 4,200 SH   SOLE 0 4,200 0 0
UNITED PARCEL SERVICE INC CL B Stock 911312106 2,450 21,373 SH   SOLE 0 21,373 0 0
VENTAS INC COM REIT 92276F100 4,561 72,955 SH   SOLE 0 72,955 0 0
INTEL CORP COM Stock 458140100 400 11,016 SH   SOLE 0 11,016 0 0
WILEY JOHN & SONS INC CL A Stock 968223206 5,181 95,058 SH   SOLE 0 95,058 0 0
WORTHINGTON INDS INC COM Stock 981811102 289 6,100 SH   SOLE 0 6,100 0 0
PROSHARES SHORT RUSSELL2000 ETF 74348A210 485 9,900 SH   SOLE 0 9,900 0 0
WATERS CORP COM Stock 941848103 447 3,325 SH   SOLE 0 3,325 0 0
SANOFI SPONSORED ADR ADR 80105N105 1,464 36,202 SH   SOLE 0 36,202 0 0
MERCK & CO INC COM Stock 58933Y105 2,514 42,697 SH   SOLE 0 42,696 0 0
SPDR S&P 500 ETF ETF 78462F103 569 2,544 SH   SOLE 0 2,544 0 0
MCKESSON CORP COM Stock 58155Q103 2,113 15,043 SH   SOLE 0 15,043 0 0
ILLINOIS TOOL WKS INC COM Stock 452308109 4,522 36,929 SH   SOLE 0 36,929 0 0
SMUCKER J M CO COM NEW Stock 832696405 3,157 24,650 SH   SOLE 0 24,650 0 0
SYMANTEC CORP COM Stock 871503108 3,016 126,225 SH   SOLE 0 126,225 0 0
VERIZON COMMUNICATIONS INC COM Stock 92343V104 3,057 57,272 SH   SOLE 0 57,272 0 0
SONOCO PRODS CO COM Stock 835495102 946 17,942 SH   SOLE 0 17,942 0 0
FEDEX CORP COM Stock 31428X106 425 2,284 SH   SOLE 0 2,284 0 0
PEPSICO INC COM Stock 713448108 1,831 17,504 SH   SOLE 0 17,503 0 0
UNILEVER N V N Y SHS NEW ADR 904784709 3,484 84,860 SH   SOLE 0 84,860 0 0
US BANCORP DEL COM NEW Stock 902973304 266 5,180 SH   SOLE 0 5,180 0 0
HOME DEPOT INC COM Stock 437076102 1,112 8,297 SH   SOLE 0 8,297 0 0
AUTOMATIC DATA PROCESSING INC COM Stock 053015103 5,961 57,995 SH   SOLE 0 57,995 0 0
BECTON DICKINSON & CO COM Stock 075887109 2,547 15,387 SH   SOLE 0 15,387 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW Stock 084670702 336 2,061 SH   SOLE 0 2,061 0 0
ALPHABET INC CAP STK CL A Stock 02079K305 1,612 2,034 SH   SOLE 0 2,034 0 0
INTUIT COM Stock 461202103 3,464 30,220 SH   SOLE 0 30,220 0 0
WHOLE FOODS MKT INC COM Stock 966837106 2,766 89,938 SH   SOLE 0 89,938 0 0
MICROSOFT CORP COM Stock 594918104 2,340 37,660 SH   SOLE 0 37,660 0 0
HCP INC COM REIT 40414L109 1,031 34,690 SH   SOLE 0 34,690 0 0
CVS HEALTH CORP COM Stock 126650100 2,915 36,941 SH   SOLE 0 36,941 0 0
TENNANT CO COM Stock 880345103 2,023 28,415 SH   SOLE 0 28,414 0 0
NIKE INC CL B Stock 654106103 285 5,600 SH   SOLE 0 5,600 0 0
TESLA MTRS INC COM Stock 88160R101 328 1,535 SH   SOLE 0 1,535 0 0
CONNECTICUT WTR SVC INC COM Stock 207797101 4,793 85,823 SH   SOLE 0 85,823 0 0
LIBERTY PPTY TR SH BEN INT REIT 531172104 3,584 90,732 SH   SOLE 0 90,732 0 0
WALGREENS BOOTS ALLIANCE INC COM Stock 931427108 377 4,550 SH   SOLE 0 4,550 0 0
AMERESCO INC CL A Stock 02361E108 470 85,405 SH   SOLE 0 85,405 0 0
CENTURY BANCORP INC MASS CL A NON VTG Stock 156432106 6,562 109,368 SH   SOLE 0 109,368 0 0
WABTEC CORP COM Stock 929740108 1,339 16,130 SH   SOLE 0 16,130 0 0
CHATHAM LODGING TR COM REIT 16208T102 308 15,000 SH   SOLE 0 15,000 0 0
LIFE STORAGE INC COM REIT 53223X107 3,124 36,644 SH   SOLE 0 36,644 0 0
SYSCO CORP COM Stock 871829107 1,240 22,398 SH   SOLE 0 22,398 0 0
CHIPOTLE MEXICAN GRILL INC COM Stock 169656105 322 853 SH   SOLE 0 853 0 0
CLARCOR INC COM Stock 179895107 773 9,373 SH   SOLE 0 9,372 0 0
MIDDLESEX WATER CO COM Stock 596680108 1,197 27,877 SH   SOLE 0 27,877 0 0
UTAH MED PRODS INC COM Stock 917488108 2,785 38,286 SH   SOLE 0 38,286 0 0
FIRST SOLAR INC COM Stock 336433107 1,250 38,966 SH   SOLE 0 38,966 0 0
PIMCO 0-5 YEAR HIGH YIELD CORPORATE BOND INDEX EXCHANGE-TRADED FUND ETF 72201R783 350 3,500 SH   SOLE 0 3,500 0 0
TRACTOR SUPPLY CO COM Stock 892356106 374 4,932 SH   SOLE 0 4,932 0 0
NEOGEN CORP COM Stock 640491106 332 5,037 SH   SOLE 0 5,037 0 0
HERSHEY CO COM Stock 427866108 259 2,500 SH   SOLE 0 2,500 0 0
MID AMER APT CMNTYS INC COM REIT 59522J103 728 7,435 SH   SOLE 0 7,435 0 0
SHIRE PLC SPONSORED ADR ADR 82481R106 606 3,557 SH   SOLE 0 3,557 0 0
HYSTER YALE MATLS HANDLING INC CL A Stock 449172105 1,189 18,650 SH   SOLE 0 18,650 0 0
BROADCOM LTD SHS Stock Y09827109 351 1,985 SH   SOLE 0 1,985 0 0
NEW YORK CMNTY BANCORP INC COM Stock 649445103 193 12,125 SH   SOLE 0 12,125 0 0
EXPEDITORS INTL WASH INC COM Stock 302130109 3,870 73,066 SH   SOLE 0 73,066 0 0
CALIFORNIA WTR SVC GROUP COM Stock 130788102 1,245 36,730 SH   SOLE 0 36,730 0 0
MILLER HERMAN INC COM Stock 600544100 1,879 54,955 SH   SOLE 0 54,955 0 0
UNITED NAT FOODS INC COM Stock 911163103 4,711 98,727 SH   SOLE 0 98,727 0 0
GENUINE PARTS CO COM Stock 372460105 4,787 50,102 SH   SOLE 0 50,102 0 0
ABBVIE INC COM Stock 00287Y109 481 7,678 SH   SOLE 0 7,678 0 0
TELUS CORP COM Stock 87971M103 3,540 111,133 SH   SOLE 0 111,133 0 0
HANNON ARMSTRONG SUST INFR CAP COM REIT 41068X100 3,942 207,596 SH   SOLE 0 207,596 0 0
STRYKER CORP COM Stock 863667101 1,582 13,207 SH   SOLE 0 13,207 0 0
EQT CORP COM Stock 26884L109 465 7,110 SH   SOLE 0 7,110 0 0
HAIN CELESTIAL GROUP INC COM Stock 405217100 2,100 53,803 SH   SOLE 0 53,803 0 0
MCDONALDS CORP COM Stock 580135101 1,399 11,491 SH   SOLE 0 11,491 0 0
QUEST DIAGNOSTICS INC COM Stock 74834L100 601 6,535 SH   SOLE 0 6,535 0 0
CITRIX SYS INC COM Stock 177376100 685 7,669 SH   SOLE 0 7,669 0 0
CISCO SYS INC COM Stock 17275R102 6,863 227,098 SH   SOLE 0 227,098 0 0
AT&T INC COM Stock 00206R102 751 17,663 SH   SOLE 0 17,663 0 0
GENERAL ELECTRIC CO COM Stock 369604103 866 27,408 SH   SOLE 0 27,408 0 0
CIGNA CORPORATION COM Stock 125509109 220 1,647 SH   SOLE 0 1,647 0 0
WELLS FARGO & CO NEW COM Stock 949746101 343 6,228 SH   SOLE 0 6,228 0 0
MCCORMICK & CO INC COM NON VTG Stock 579780206 5,301 56,802 SH   SOLE 0 56,801 0 0
THERMO FISHER SCIENTIFIC INC COM Stock 883556102 731 5,178 SH   SOLE 0 5,178 0 0
MERCHANTS BANCSHARES COM Stock 588448100 2,213 40,833 SH   SOLE 0 40,833 0 0
JPMORGAN CHASE & CO COM Stock 46625H100 270 3,126 SH   SOLE 0 3,126 0 0
EXPRESS SCRIPTS HLDG CO COM Stock 30219G108 439 6,384 SH   SOLE 0 6,384 0 0
ST JUDE MED INC COM Stock 790849103 1,175 14,652 SH   SOLE 0 14,652 0 0
WAL-MART STORES INC COM Stock 931142103 223 3,220 SH   SOLE 0 3,220 0 0
ISHARES 3-7 YEAR TREASURY BOND ETF ETF 464288661 201 1,639 SH   SOLE 0 1,639 0 0
INTERNATIONAL BUSINESS MACHS COM Stock 459200101 1,734 10,448 SH   SOLE 0 10,448 0 0
TEXAS INSTRS INC COM Stock 882508104 1,883 25,800 SH   SOLE 0 25,800 0 0
TARGET CORP COM Stock 87612E106 227 3,140 SH   SOLE 0 3,140 0 0
POWERSHARES GLOBAL CLEAN ENERGY PORTFOLIO ETF 73936T615 617 59,290 SH   SOLE 0 59,290 0 0
PFIZER INC COM Stock 717081103 1,692 52,089 SH   SOLE 0 52,089 0 0
ISHARES IBOXX $ INVESTMENT GRADE CORPORATE BOND ETF ETF 464287242 293 2,498 SH   SOLE 0 2,498 0 0
3M CO COM Stock 88579Y101 3,700 20,718 SH   SOLE 0 20,718 0 0
GILEAD SCIENCES INC COM Stock 375558103 2,846 39,743 SH   SOLE 0 39,743 0 0
ALPHABET INC CAP STK CL C Stock 02079K107 1,113 1,442 SH   SOLE 0 1,442 0 0
AMGEN INC COM Stock 031162100 2,911 19,911 SH   SOLE 0 19,911 0 0
UNITED FINL BANCORP INC NEW COM Stock 910304104 1,819 100,165 SH   SOLE 0 100,165 0 0
AMERIGAS PARTNERS L P UNIT L P INT Stock 030975106 340 7,100 SH   SOLE 0 7,100 0 0
AQUA AMERICA INC COM Stock 03836W103 803 26,739 SH   SOLE 0 26,739 0 0
WGL HLDGS INC COM Stock 92924F106 1,056 13,845 SH   SOLE 0 13,845 0 0
CREE INC COM Stock 225447101 723 27,405 SH   SOLE 0 27,405 0 0
IDACORP INC COM Stock 451107106 262 3,250 SH   SOLE 0 3,250 0 0
PNC FINL SVCS GROUP INC COM Stock 693475105 379 3,243 SH   SOLE 0 3,243 0 0
AMERICAN WTR WKS CO INC NEW COM Stock 030420103 2,072 28,631 SH   SOLE 0 28,631 0 0
EXXON MOBIL CORP COM Stock 30231G102 596 6,601 SH   SOLE 0 6,601 0 0
SUN HYDRAULICS CORP COM Stock 866942105 1,044 26,117 SH   SOLE 0 26,117 0 0
PATTERSON COMPANIES INC COM Stock 703395103 1,114 27,160 SH   SOLE 0 27,160 0 0
COLGATE PALMOLIVE CO COM Stock 194162103 483 7,388 SH   SOLE 0 7,388 0 0
NOVO-NORDISK A S ADR ADR 670100205 2,749 76,663 SH   SOLE 0 76,663 0 0
SCHWAB CHARLES CORP NEW COM Stock 808513105 1,081 27,400 SH   SOLE 0 27,400 0 0
KADANT INC COM Stock 48282T104 2,745 44,846 SH   SOLE 0 44,846 0 0
APPLE INC COM Stock 037833100 9,126 78,793 SH   SOLE 0 78,793 0 0
WEC ENERGY GROUP INC COM Stock 92939U106 546 9,306 SH   SOLE 0 9,306 0 0
ABBOTT LABS COM Stock 002824100 301 7,848 SH   SOLE 0 7,848 0 0
DISNEY WALT CO COM DISNEY Stock 254687106 545 5,231 SH   SOLE 0 5,231 0 0