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
A10 Networks Inc Com 002121101 3,021 314,390 SH   SOLE   314,390 0 0
ABM Industries Inc Com 000957100 4,426 86,763 SH   SOLE   84,123 0 2,640
AZZ Inc Com 002474104 3,806 75,600 SH   SOLE   75,600 0 0
Accuray Inc Com 004397105 6,950 1,404,130 SH   SOLE   1,404,130 0 0
Albany International Corp Com 012348108 3,688 44,180 SH   SOLE   44,180 0 0
Allied Motion Technologies Inc Com 019330109 6,668 129,907 SH   SOLE   129,907 0 0
Ameresco Inc Com 02361E108 5,347 109,950 SH   SOLE   109,950 0 0
Ampco Pittsburgh Corp Com 032037103 360 53,290 SH   SOLE   53,290 0 0
Andersons Inc Com 034164103 3,736 136,460 SH   SOLE   136,460 0 0
Apria Inc Com 03836A101 2,015 72,140 SH   SOLE   72,140 0 0
Arrow Financial Corp Com 042744102 2,064 61,958 SH   SOLE   61,958 0 0
Atlantic Power Corp. Com 04878Q863 3,274 1,132,950 SH   SOLE   1,132,950 0 0
Axcelis Technologies Inc Com 054540208 2,799 68,130 SH   SOLE   68,130 0 0
Axis Capital Holdings Limited Com G0692U109 2,754 55,559 SH   SOLE   55,559 0 0
Baycom Corp. Com 07272M107 2,368 131,390 SH   SOLE   131,390 0 0
Big Lots Inc Com 089302103 5,139 75,240 SH   SOLE   75,240 0 0
Bryn Mawr Bank Corp Com 117665109 2,610 57,341 SH   SOLE   57,341 0 0
CAI International Inc Com 12477X106 3,113 68,380 SH   SOLE   68,380 0 0
CNX Resources Corp Com 12653C108 4,735 322,140 SH   SOLE   322,140 0 0
Cambridge Bancorp Com 132152109 2,291 27,170 SH   SOLE   27,170 0 0
Camden National Corp Com 133034108 7,613 159,061 SH   SOLE   159,061 0 0
Casey's General Store Inc Com 147528103 3,192 14,767 SH   SOLE   14,047 0 720
Catchmark Timber Trust Inc Com 14912Y202 2,050 201,330 SH   SOLE   201,330 0 0
Cavco Industries Inc Com 149568107 2,871 12,726 SH   SOLE   12,326 0 400
Central Valley Community Banco Com 155685100 2,467 133,996 SH   SOLE   133,996 0 0
Citi Trends Inc Com 17306X102 1,872 22,340 SH   SOLE   22,340 0 0
City Holding Company Com 177835105 4,408 53,897 SH   SOLE   53,897 0 0
Cleveland-Cliffs Inc Com 185899101 3,585 178,270 SH   SOLE   178,270 0 0
Columbia Banking Systems Inc Com 197236102 3,190 74,032 SH   SOLE   72,142 0 1,890
Commercial Metals Co Com 201723103 5,143 166,770 SH   SOLE   166,770 0 0
Community Bank Systems Inc Com 203607106 1,500 19,558 SH   SOLE   19,558 0 0
Concentrix Corp. Com 20602D101 3,565 23,810 SH   SOLE   23,810 0 0
DLH Holdings Corp Com 23335Q100 1,835 184,940 SH   SOLE   184,940 0 0
Darling Ingredients Inc Com 237266101 292 3,970 SH   SOLE   0 0 3,970
Deluxe Corp Com 248019101 5,112 121,820 SH   SOLE   118,830 0 2,990
EMCOR Group Inc Com 29084Q100 2,485 22,158 SH   SOLE   20,938 0 1,220
EPR Properties Com 26884U109 3,628 77,880 SH   SOLE   75,840 0 2,040
Encompass Health Corporation Com 29261A100 3,088 37,709 SH   SOLE   36,164 0 1,545
Essent Group Limited Com G3198U102 1,777 37,420 SH   SOLE   34,930 0 2,490
Farmers National Banc Corp Com 309627107 2,397 143,530 SH   SOLE   143,530 0 0
Federal Agricultural Mortgage Com 313148306 2,996 29,750 SH   SOLE   29,750 0 0
Financial Institutions Inc Com 317585404 2,531 83,550 SH   SOLE   83,550 0 0
First American Financial Corp Com 31847R102 1,662 29,337 SH   SOLE   29,337 0 0
First Bancorp N.C. Com 318910106 5,276 121,290 SH   SOLE   121,290 0 0
First Community Corp. Com 319835104 2,441 122,340 SH   SOLE   122,340 0 0
First Financial Corp Com 320218100 4,407 97,910 SH   SOLE   97,910 0 0
G-III Apparel Group Limited Com 36237H101 2,075 68,850 SH   SOLE   68,850 0 0
Global Medical REIT Inc Com 37954A204 3,513 267,992 SH   SOLE   267,992 0 0
Goodrich Petroleum Corp Com 382410843 1,907 201,540 SH   SOLE   201,540 0 0
Great Lakes Dredge & Dock Corp Com 390607109 9,835 674,587 SH   SOLE   674,587 0 0
Great Southern Bancorp Com 390905107 6,784 119,714 SH   SOLE   119,714 0 0
HNI Corp Com 404251100 731 18,480 SH   SOLE   18,480 0 0
Hackett Group Inc Com 404609109 2,987 182,242 SH   SOLE   182,242 0 0
Hancock Whitney Corporation Com 410120109 3,639 86,630 SH   SOLE   86,630 0 0
Hanover Insurance Group Inc Com 410867105 2,303 17,790 SH   SOLE   17,790 0 0
Hawkins Inc Com 420261109 1,907 56,900 SH   SOLE   56,900 0 0
Heartland Financial USA Inc Com 42234Q102 4,731 94,140 SH   SOLE   94,140 0 0
Heritage Crystal Clean Inc Com 42726M106 4,539 167,296 SH   SOLE   167,296 0 0
Hub Group Inc Com 443320106 3,687 54,800 SH   SOLE   53,090 0 1,710
IEC Electronics Corp Com 44949L105 2,303 191,240 SH   SOLE   191,240 0 0
ITT Corporation Com 45073V108 3,386 37,244 SH   SOLE   35,814 0 1,430
Ichor Holdings Com G4740B105 3,345 62,170 SH   SOLE   62,170 0 0
Independent Bank Corp Com 453836108 3,142 37,320 SH   SOLE   37,320 0 0
Industrial Logistics Propertie Com 456237106 2,690 116,313 SH   SOLE   113,013 0 3,300
Investors Title Company Com 461804106 1,765 10,632 SH   SOLE   10,632 0 0
Kelly Services Inc Com 488152208 5,342 239,880 SH   SOLE   239,880 0 0
Kimball Electronics Inc Com 49428J109 7,344 284,636 SH   SOLE   284,636 0 0
Knowles Corp Com 49926D109 4,200 200,750 SH   SOLE   200,750 0 0
Kulicke & Soffa Industries Inc Com 501242101 5,387 109,690 SH   SOLE   109,690 0 0
LCI Industries Com 50189K103 2,396 18,115 SH   SOLE   17,395 0 720
Lakeland Financial Corp Com 511656100 4,584 66,256 SH   SOLE   66,256 0 0
Landec Corporation Com 514766104 4,417 416,687 SH   SOLE   416,687 0 0
M/I Homes Inc Com 55305B101 6,131 103,794 SH   SOLE   103,794 0 0
MDC Holdings Inc Com 552676108 1,235 20,787 SH   SOLE   17,852 0 2,935
Mackinac Financial Corp. Com 554571109 2,158 153,940 SH   SOLE   153,940 0 0
Marinemax Inc Com 567908108 2,177 44,110 SH   SOLE   44,110 0 0
Mastercraft Boat Holdings Inc Com 57637H103 2,140 80,480 SH   SOLE   80,480 0 0
Materion Corp Com 576690101 1,053 15,890 SH   SOLE   15,890 0 0
Maximus Inc Com 577933104 3,018 33,891 SH   SOLE   33,891 0 0
McGrath Rentcorp Com 580589109 6,498 80,572 SH   SOLE   78,772 0 1,800
Mercer Int'l Inc Com 588056101 6,671 463,560 SH   SOLE   463,560 0 0
Merit Medical Systems Inc Com 589889104 2,396 40,007 SH   SOLE   40,007 0 0
Methode Electronics Inc Com 591520200 4,615 109,940 SH   SOLE   109,940 0 0
Miller Industries Inc Com 600551204 3,691 79,903 SH   SOLE   79,903 0 0
Mitek Systems Inc Com 606710200 1,947 133,567 SH   SOLE   133,567 0 0
Monro Muffler Brake Inc Com 610236101 6,067 92,210 SH   SOLE   92,210 0 0
Moog Inc Com 615394202 2,568 30,889 SH   SOLE   29,889 0 1,000
Mueller Industries Inc Com 624756102 3,003 72,612 SH   SOLE   70,362 0 2,250
NBT Bancorp Inc Com 628778102 4,598 115,230 SH   SOLE   115,230 0 0
NI Holdings Inc Com 65342T106 1,862 100,740 SH   SOLE   100,740 0 0
NMI Holdings Inc Com 629209305 3,390 143,395 SH   SOLE   143,395 0 0
Northwest Pipe Company Com 667746101 3,281 98,170 SH   SOLE   98,170 0 0
Northwestern Corp Com 668074305 2,920 44,789 SH   SOLE   44,789 0 0
Nuvasive Inc Com 670704105 3,424 52,220 SH   SOLE   52,220 0 0
OSI Systems Inc Com 671044105 2,528 26,310 SH   SOLE   26,310 0 0
Oceanfirst Financial Corp Com 675234108 2,844 118,800 SH   SOLE   118,800 0 0
Onto Innovation Inc Com 683344105 3,032 46,146 SH   SOLE   46,146 0 0
Orion Group Holdings Inc Com 68628V308 5,557 915,410 SH   SOLE   915,410 0 0
Oshkosh Corporation Com 688239201 1,162 9,792 SH   SOLE   8,682 0 1,110
Pacwest Bancorp Com 695263103 3,193 83,708 SH   SOLE   83,708 0 0
Perdoceo Education Corp Com 71363P106 4,424 369,880 SH   SOLE   369,880 0 0
Photonics Inc Com 719405102 2,243 174,427 SH   SOLE   174,427 0 0
Pinnacle Financial Partners In Com 72346Q104 2,728 30,765 SH   SOLE   30,765 0 0
Plumas Bancorp Com 729273102 2,291 78,310 SH   SOLE   78,310 0 0
Preformed Line Products Co Com 740444104 2,362 34,360 SH   SOLE   34,360 0 0
Primerica Inc Com 74164M108 2,022 13,682 SH   SOLE   13,682 0 0
QCR Holdings Inc Com 74727A104 2,688 56,930 SH   SOLE   56,930 0 0
Radiant Logistics Inc Com 75025X100 2,329 335,100 SH   SOLE   335,100 0 0
Rogers Corp Com 775133101 2,486 13,210 SH   SOLE   13,210 0 0
Sanderson Farms Inc Com 800013104 3,259 20,923 SH   SOLE   20,123 0 800
Seacoast Bank Corp of Florida Com 811707801 4,140 114,240 SH   SOLE   114,240 0 0
Shoe Carnival Inc Com 824889109 2,849 46,040 SH   SOLE   46,040 0 0
Shyft Group Inc Com 825698103 4,194 112,740 SH   SOLE   112,740 0 0
Sierra Bancorp Com 82620P102 2,444 91,206 SH   SOLE   91,206 0 0
Signet Jewelers Limited Com G81276100 4,086 70,480 SH   SOLE   70,480 0 0
Skyline Champion Corp Com 830830105 3,535 78,105 SH   SOLE   78,105 0 0
Smartfinancial Inc Com 83190L208 2,311 106,732 SH   SOLE   106,732 0 0
Southwestern Energy Company Com 845467109 3,800 817,270 SH   SOLE   817,270 0 0
Sterling Bancorp Com 85917A100 3,580 155,521 SH   SOLE   155,521 0 0
Sterling Construction Company Com 859241101 3,062 131,970 SH   SOLE   131,970 0 0
Stewart Information Services C Com 860372101 4,182 80,380 SH   SOLE   80,380 0 0
Stock Yard Bancorp Inc Com 861025104 1,914 37,483 SH   SOLE   37,483 0 0
Systemax Inc Com 871851101 1,029 25,033 SH   SOLE   25,033 0 0
Tapestry Inc Com 876030107 1,881 45,655 SH   SOLE   45,655 0 0
Tennant Company Com 880345103 3,772 47,220 SH   SOLE   47,220 0 0
Textainer Group Holdings Ltd Com G8766E109 7,963 277,948 SH   SOLE   277,948 0 0
The Marcus Corp Com 566330106 2,658 132,970 SH   SOLE   132,970 0 0
Trico Bancshares Com 896095106 4,599 97,084 SH   SOLE   97,084 0 0
Triton International Ltd Com G9078F107 3,321 60,391 SH   SOLE   58,481 0 1,910
UMH Properties Inc Com 903002103 6,447 336,290 SH   SOLE   330,670 0 5,620
Universal Technical Institute Com 913915104 1,863 318,970 SH   SOLE   318,970 0 0
VSE Corp Com 918284100 5,028 127,290 SH   SOLE   127,290 0 0
Vectrus Inc Com 92242T101 1,993 37,300 SH   SOLE   37,300 0 0
Vishay Intertechnology Inc Com 928298108 2,451 101,778 SH   SOLE   96,748 0 5,030
WSFS Financial Corp Com 929328102 3,238 65,033 SH   SOLE   65,033 0 0
Washington Trust Bancorp Inc Com 940610108 3,188 61,750 SH   SOLE   61,750 0 0
Webster Financial Corp Com 947890109 3,239 58,770 SH   SOLE   58,770 0 0
Wesbanco Inc Com 950810101 3,627 100,590 SH   SOLE   100,590 0 0
Willdan Group Inc Com 96924N100 2,843 69,251 SH   SOLE   69,251 0 0
Williams Industrial Services G Com 96951A104 1,334 383,305 SH   SOLE   383,305 0 0
World Fuel Services Corp Com 981475106 2,385 67,748 SH   SOLE   67,748 0 0