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
Aehr Test Systems common 00760J108 2,639 1,898,534 SH   SOLE   1,898,534 0 0
American Superconductor Corpor common 030111207 17,677 1,220,814 SH   SOLE   1,220,814 0 0
Aqua Metals, Inc. common 03837J101 1,703 1,868,907 SH   SOLE   1,868,907 0 0
Atomera Incorporated common 04965B100 6,992 669,051 SH   SOLE   669,051 0 0
Avid Bioservices, Inc. common 05368M106 6,043 793,000 SH   SOLE   793,000 0 0
BioTelemetry, Inc. common 090672106 2,211 48,500 SH   SOLE   48,500 0 0
Boingo Wireless, Inc. common 09739C102 2,552 250,316 SH   SOLE   250,316 0 0
CEVA, Inc. common 157210105 15,050 382,268 SH   SOLE   382,268 0 0
CVD Equipment Corporation common 126601103 794 259,414 SH   SOLE   259,414 0 0
CareDx, Inc. common 14167L103 2,493 65,700 SH   SOLE   65,700 0 0
Celsius Holdings, Inc. common 15118V207 11,355 500,000 SH   SOLE   500,000 0 0
Century Casinos, Inc. common 156492100 8,220 1,500,000 SH   SOLE   1,500,000 0 0
Citi Trends, Inc. common 17306X102 7,128 285,342 SH   SOLE   285,342 0 0
EMCORE Corp. common 290846203 259 79,708 SH   SOLE   79,708 0 0
Eton Pharmaceuticals, Inc. common 29772L108 4,911 621,681 SH   SOLE   621,681 0 0
Everspin Technology, Inc. common 30041T104 9,085 1,602,319 SH   SOLE   1,602,319 0 0
Exicure, Inc. common 30205M101 7,074 4,042,200 SH   SOLE   4,042,200 0 0
Franchise Group, Inc. common 35180X105 3,345 131,912 SH   SOLE   131,912 0 0
GAN, Ltd. (London) common G3728V109 5,462 323,180 SH   SOLE   323,180 0 0
Gaia, Inc. common 36269P104 7,592 772,282 SH   SOLE   772,282 0 0
Genasys Incorporated common 36872P103 28,905 4,699,959 SH   SOLE   4,699,959 0 0
Genocea Biosciences, Inc. common 372427104 1,219 532,516 SH   SOLE   532,516 0 0
Griffon Corp. common 398433102 5,862 300,000 SH   SOLE   300,000 0 0
Health Science Acquisitions Co common G4411D109 2,200 200,000 SH   SOLE   200,000 0 0
Ideal Power, Inc. common 451622203 1,766 284,793 SH   SOLE   284,793 0 0
Impinj, Inc. common 453204109 11,894 451,377 SH   SOLE   451,377 0 0
Infusystem Holdings, Inc. common 45685K102 25,640 2,000,000 SH   SOLE   2,000,000 0 0
Intellicheck, Inc. common 45817G201 834 125,010 SH   SOLE   125,010 0 0
Iteris, Inc. common 46564T107 1,457 355,359 SH   SOLE   355,359 0 0
K12 Inc. common 48273U102 658 25,000 SH   SOLE   25,000 0 0
Kopin Corporation common 500600101 7,661 5,551,344 SH   SOLE   5,551,344 0 0
LeMaitre Vascular Inc. common 525558201 7,482 230,000 SH   SOLE   230,000 0 0
Limelight Networks, Inc. common 53261M104 11,656 2,023,688 SH   SOLE   2,023,688 0 0
LiqTech International, Inc.(De common 53632A102 17,266 2,043,290 SH   SOLE   2,043,290 0 0
LivePerson, Inc. common 538146101 18,716 360,000 SH   SOLE   360,000 0 0
Lovesac Company, The common 54738L109 11,644 420,219 SH   SOLE   420,219 0 0
Magal Security System, Ltd (Is common M6786D104 859 231,618 SH   SOLE   231,618 0 0
Medicenna Therapeutics Corp. C common 58490H107 4,108 1,000,000 SH   SOLE   1,000,000 0 0
Millendo Therapeutics, Inc. common 60040X103 324 199,000 SH   SOLE   199,000 0 0
Misonix,Inc. common 604871103 2,444 208,336 SH   SOLE   208,336 0 0
Mohawk Group Holdings, Inc. common 608189106 3,605 436,937 SH   SOLE   436,937 0 0
Natural Gas Services Group, In common 63886Q109 4,046 478,824 SH   SOLE   478,824 0 0
NeoPhotonics Corporation common 64051T100 11,697 1,920,722 SH   SOLE   1,920,722 0 0
Neonode, Inc. common 64051M709 3,777 478,120 SH   SOLE   478,120 0 0
Noodles & Co. common 65540B105 3,027 440,548 SH   SOLE   440,548 0 0
OPKO Health, Inc. common 68375N103 2,952 800,000 SH   SOLE   800,000 0 0
OneWater Marine, Inc. - CL A common 68280L101 5,635 275,000 SH   SOLE   275,000 0 0
Ooma,Inc. common 683416101 14,435 1,106,165 SH   SOLE   1,106,165 0 0
OptimizeRx Corporation common 68401U204 18,940 908,382 SH   SOLE   908,382 0 0
OrthoPediatrics Corporation common 68752L100 13,924 303,221 SH   SOLE   303,221 0 0
Pacific Ethanol, Inc. common 69423U305 6,497 888,800 SH   SOLE   888,800 0 0
Pfsweb, Inc. common 717098206 13,480 2,014,916 SH   SOLE   2,014,916 0 0
Powerfleet, Inc. common 73931J109 1,070 190,000 SH   SOLE   190,000 0 0
Primo Water Corp. common 74167P108 868 61,142 SH   SOLE   61,142 0 0
Profound Medical Corp. (U.S.) common 74319B502 6,155 348,939 SH   SOLE   348,939 0 0
QuickLogic Corporation common 74837P405 2,743 882,119 SH   SOLE   882,119 0 0
Qumu Corporation common 749063103 923 200,300 SH   SOLE   200,300 0 0
RADA Electronic Industries,Ltd common M81863124 5,930 1,000,000 SH   SOLE   1,000,000 0 0
RADCOM, Ltd. (Israel) common M81865111 5,419 578,312 SH   SOLE   578,312 0 0
Reata Pharmaceuticals, Inc. common 75615P103 1,948 20,000 SH   SOLE   20,000 0 0
Repligen Corporation common 759916109 14,754 100,000 SH   SOLE   100,000 0 0
Repro-Med Systems, Inc. common 759910102 2,472 342,368 SH   SOLE   342,368 0 0
Resonant, Inc. common 76118L102 9,923 4,169,213 SH   SOLE   4,169,213 0 0
SeaSpine Holdings Corp. common 81255T108 6,302 440,729 SH   SOLE   440,729 0 0
Sequans Communications S.A. AD common 817323207 16,769 2,808,816 SH   SOLE   2,808,816 0 0
SharpSpring, Inc. common 820054104 10,642 954,408 SH   SOLE   954,408 0 0
Soleno Therapeutics, Inc. common 834203200 3,890 1,550,000 SH   SOLE   1,550,000 0 0
Sonim Technologies, Inc. common 83548F101 3,495 4,504,376 SH   SOLE   4,504,376 0 0
Spero Therapeutics, Inc. common 84833T103 5,566 498,755 SH   SOLE   498,755 0 0
Tactile Systems Technology, In common 87357P100 1,594 43,560 SH   SOLE   43,560 0 0
The Joint Corp. common 47973J102 2,646 152,181 SH   SOLE   152,181 0 0
TravelCenters of America LLC common 89421B109 13,186 674,800 SH   SOLE   674,800 0 0
Turtle Beach Corporation common 900450206 9,929 545,543 SH   SOLE   545,543 0 0
Ultra Clean Holdings, Inc. common 90385V107 6,567 306,000 SH   SOLE   306,000 0 0
Verb Technology Company, Inc. common 923370U10 1,107 1,024,896 SH   SOLE   1,024,896 0 0
Veru,Inc. common 92536C103 1,048 400,000 SH   SOLE   400,000 0 0
Vicor Corporation common 925815102 6,180 79,500 SH   SOLE   79,500 0 0
Viemed Healthcare, Inc. (Canad common 92663R105 9,410 1,085,000 SH   SOLE   1,085,000 0 0
Vivint Solar, Inc. common 92854q106 8,893 210,000 SH   SOLE   210,000 0 0
Westport Fuel Systems, Inc. common 960908309 5,024 3,082,047 SH   SOLE   3,082,047 0 0
Zealand Pharma A/S (Denmark) common 999999999 11,308 297,226 SH   SOLE   297,226 0 0
Zealand Pharma A/S ADR (Denmar common 98920Y304 759 19,981 SH   SOLE   19,981 0 0
argenx SE - ADR (Netherlands) common 04016X101 21,002 80,000 SH   SOLE   80,000 0 0
eMagin Corporation common 29076N206 3,563 2,805,512 SH   SOLE   2,805,512 0 0
voxeljet AG, ADR (Germany) common 92912L107 4,754 561,978 SH   SOLE   561,978 0 0
Ideal Power @.001 (pre-funded) warrants 999999999 1,574 253,830 SH   SOLE   253,830 0 0
Ideal Power @2.32 11/13/24 9.9 warrants 999999999 2,069 439,180 SH   SOLE   439,180 0 0
Ideal Power @8.90 8/5/25 9.99 warrants 999999999 100 39,366 SH   SOLE   39,366 0 0
Ocean Power Technologies @3.85 warrants 674870118 243 714,280 SH   SOLE   714,280 0 0
Turtle Beach Corp. @0 pre-fund warrants 999999999 10,010 550,000 SH   SOLE   550,000 0 0
eMagin Corp @.78 10/9/19-10/9/ warrants 999999999 2,460 3,000,000 SH   SOLE   3,000,000 0 0
eMagin Corporation @1.55 1/29/ warrants 999999999 409 890,000 SH   SOLE   890,000 0 0
eMagin Corporation @2.45 5/24/ warrants 999999999 569 1,625,000 SH   SOLE   1,625,000 0 0