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
ALPHA PRO TECH LTD CMN COM 020772109 10 3,400 SH   SOLE   3,400 0 0
ALPHABET INC. CMN CLASS C COM 02079K107 15,903 17,500 SH   SOLE   17,500 0 0
AMAZON.COM INC CMN COM 023135106 19,360 20,000 SH   SOLE   20,000 0 0
AMERICAN SHARED HOSP SVCS CMN COM 029595105 293 75,058 SH   SOLE   75,058 0 0
AMGEN INC. CMN COM 031162100 1,722 10,000 SH   SOLE   10,000 0 0
APPLIED MATERIALS INC CMN COM 038222105 8,230 199,230 SH   SOLE   199,230 0 0
ARALEZ PHARMACEUTICALS INC. CMN COM 03852X100 1 1,076 SH   SOLE   1,076 0 0
AXCELIS TECHNOLOGIES INC CMN COM 054540208 71 3,379 SH   SOLE   3,379 0 0
BANK OF AMERICA CORP CMN COM 060505104 3,639 150,000 SH   SOLE   150,000 0 0
BERKSHIRE HATHAWAY INC CL-A (DEL) CLASS A COM 084670108 14,009 55 SH   SOLE   55 0 0
BLUCORA INC CMN COM 095229100 21 1,000 SH   SOLE   1,000 0 0
BOULDER GROWTH & INCOME FD INC MUTUAL FUND COM 101507101 700 72,106 SH   SOLE   72,106 0 0
C&F FINANCIAL CORP CMN COM 12466Q104 108 2,303 SH   SOLE   2,303 0 0
CSW INDUSTRIALS, INC. CMN COM 126402106 289 7,477 SH   SOLE   7,477 0 0
CU BANCORP CMN COM 126534106 267 7,397 SH   SOLE   7,397 0 0
CAPITAL SOUTHWEST CORPORATION MUTUAL FUND COM 140501107 120 7,477 SH   SOLE   7,477 0 0
CAPSTEAD MORTGAGE CORPORATION CMN COM 14067E506 209 20,000 SH   SOLE   20,000 0 0
CENTENNIAL RESOURCE DEV INC CMN COM 15136A102 18 1,125 SH   SOLE   1,125 0 0
CENTRAL SECURITIES CORP. MUTUAL FUND COM 155123102 623 25,000 SH   SOLE   25,000 0 0
CITY OFFICE REIT, INC. CMN COM 178587101 236 18,600 SH   SOLE   18,600 0 0
CONTINENTAL MATERIALS CORP CMN COM 211615307 6 300 SH   SOLE   300 0 0
DEL TACO RESTAURANTS INC CMN COM 245496104 1 100 SH   SOLE   100 0 0
DIAMOND HILL INVESTMENT GROUP CMN COM 25264R207 199 1,000 SH   SOLE   1,000 0 0
DIGIRAD CORPORATION CMN COM 253827109 122 30,000 SH   SOLE   30,000 0 0
DIME COMMUNITY BANCSHARES CMN COM 253922108 24 1,237 SH   SOLE   1,237 0 0
DIXIE GROUP, INC. (THE) CMN CLASS A COM 255519100 4 1,000 SH   SOLE   1,000 0 0
DOVER DOWNS GAMING & ENTMT INC CMN COM 260095104 18 16,157 SH   SOLE   16,157 0 0
ELLINGTON RESIDENTIAL MORT REIT CMN COM 288578107 1,264 86,225 SH   SOLE   86,225 0 0
EMERSON RADIO CORP CMN COM 291087203 66 47,740 SH   SOLE   47,740 0 0
EXPRESS, INC. CMN COM 30219E103 108 16,000 SH   SOLE   16,000 0 0
FACEBOOK, INC. CMN CLASS A COM 30303M102 3,020 20,000 SH   SOLE   20,000 0 0
CALL/FB @ 170 EXP 06/15/2018 CALL 30303M102 415 500 SH Call SOLE   500 0 0
FIRST CMNTY CORP S C CMN COM 319835104 405 19,301 SH   SOLE   19,301 0 0
FORTIVE CORPORATION CMN COM 34959J108 317 5,000 SH   SOLE   5,000 0 0
FULL HOUSE RESORTS CMN COM 359678109 3 1,216 SH   SOLE   1,216 0 0
GAMESTOP CORP CMN CLASS A COM 36467W109 197 9,120 SH   SOLE   9,120 0 0
GENWORTH FINANCIAL INC CMN CLASS A COM 37247D106 304 80,600 SH   SOLE   80,600 0 0
GILEAD SCIENCES CMN COM 375558103 71 1,010 SH   SOLE   1,010 0 0
GOLUB CAPITAL BDC LLC MUTUAL FUND COM 38173M102 1,540 80,527 SH   SOLE   80,527 0 0
GREAT AJAX CORP CMN COM 38983D300 350 25,000 SH   SOLE   25,000 0 0
GREAT ELM CAPITAL GROUP, INC. CMN CLASS COM 39036P209 188 55,166 SH   SOLE   55,166 0 0
GUARANTY FEDERAL BANCSHARES INC COM 40108P101 101 5,000 SH   SOLE   5,000 0 0
HARVARD BIOSCIENCE INC CMN COM 416906105 16 6,200 SH   SOLE   6,200 0 0
HEARTLAND FINL USA INC CMN COM 42234Q102 15 326 SH   SOLE   326 0 0
HERCULES CAPITAL INC . COM 427096508 13 1,000 SH   SOLE   1,000 0 0
HISTOGENICS CORP CMN COM 43358V109 2 1,000 SH   SOLE   1,000 0 0
HUDSON GLOBAL, INC. CMN COM 443787106 6 4,845 SH   SOLE   4,845 0 0
INTREXON CORP CMN COM 46122T102 8 350 SH   SOLE   350 0 0
PUT/IWM @ 135 EXP 07/21/2017 PUT 464287655 97 2,000 SH Put SOLE   2,000 0 0
ISHARES MSCI IRELAND CAPPED ETF ETF 46429B507 845 19,411 SH   SOLE   19,411 0 0
JPMORGAN CHASE & CO CMN COM 46625H100 5,484 60,000 SH   SOLE   60,000 0 0
JMP GROUP LLC. CMN COM 46629U107 187 34,174 SH   SOLE   34,174 0 0
KAYNE ANDERSON ACQUISITION CORP. CORP OTHER 48661U201 6,656 665,597 SH   SOLE   665,597 0 0
KEMET CORPORATION CMN COM 488360207 1 100 SH   SOLE   100 0 0
LANDMARK BANCORP INC CMN COM 51504L107 331 11,025 SH   SOLE   11,025 0 0
LIQUIDITY SERVICES INC CMN COM 53635B107 95 15,000 SH   SOLE   15,000 0 0
LORAL SPACE &COMMUNICATION INC. CMN COM 543881106 81 1,957 SH   SOLE   1,957 0 0
LUBYS INC CMN STOCK CMN COM 549282101 3 900 SH   SOLE   900 0 0
MGIC INVESTMENT CORP COMMON STOCK COM 552848103 4,920 439,300 SH   SOLE   439,300 0 0
MRV COMMUNICATIONS, INC. CMN COM 553477407 18 1,800 SH   SOLE   1,800 0 0
MANNATEC, INC. CMN COM 563771203 250 16,014 SH   SOLE   16,014 0 0
MARLIN BUSINESS SERVICES CORP. CMN COM 571157106 538 21,400 SH   SOLE   21,400 0 0
MICROSOFT CORPORATION CMN COM 594918104 13,786 200,000 SH   SOLE   200,000 0 0
MODUSLINK GLOBAL SOLUTIONS, INC CMN COM 60786L206 17 10,000 SH   SOLE   10,000 0 0
MORGAN STANLEY CHINA A SHARE FUND, INC. COM 617468103 22 1,000 SH   SOLE   1,000 0 0
NATIONAL OILWELL VARCO, INC. COMMON STOCK CMN COM 637071101 33 1,000 SH   SOLE   1,000 0 0
NATIONSTAR MTG HLDGS INC CMN COM 63861C109 18 1,000 SH   SOLE   1,000 0 0
NEW IRELAND FUND INC MUTUAL FUND COM 645673104 623 45,075 SH   SOLE   45,075 0 0
NEW MOUNTAIN FINANCE CORP MUTUAL FUND COM 647551100 15 1,000 SH   SOLE   1,000 0 0
NICHOLAS FINANCIAL, INC. CMN COM 65373J209 110 11,946 SH   SOLE   11,946 0 0
OCWEN FINANCIAL CORPORATION CMN COM 675746309 3 1,000 SH   SOLE   1,000 0 0
PARK ELECTROCHEMICAL CRP CMN COM 700416209 18 1,000 SH   SOLE   1,000 0 0
PARKE BANCORP INC CMN COM 700885106 296 13,197 SH   SOLE   13,197 0 0
PENNANTPARK INVESTMENT CORP MUTUAL FUND COM 708062104 10 1,405 SH   SOLE   1,405 0 0
PENNANTPARK FLOATING RATE CAP LTD COM 70806A106 88 6,245 SH   SOLE   6,245 0 0
PEPSICO INC CMN COM 713448108 2,425 21,000 SH   SOLE   21,000 0 0
CALL/PEP @ 120 EXP 01/18/2019 CALL 713448108 281 500 SH Call SOLE   500 0 0
PINNACLE ENTERTAINMENT INC. CMN COM 72348Y105 206 10,400 SH   SOLE   10,400 0 0
CALL/SVXY @ 40 EXP 01/19/2018 CALL 74347W627 24,055 2,000 SH Call SOLE   2,000 0 0
PUT/SVXY @ 100 EXP 01/19/2018 PUT 74347W627 1,065 1,500 SH Put SOLE   1,500 0 0
RADIANT LOGISTICS INC CMN COM 75025X100 196 36,410 SH   SOLE   36,410 0 0
RESOLUTE FOREST PRODUCTS INC CMN COM 76117W109 4 1,000 SH   SOLE   1,000 0 0
ROYAL GOLD, INC. CMN COM 780287108 8 100 SH   SOLE   100 0 0
SPDR S&P 500 ETF TRUST ETF 78462F103 368,375 1,523,471 SH   SOLE   1,523,471 0 0
SAFEGUARD SCIENTIFICS INC CMN COM 786449207 33 2,800 SH   SOLE   2,800 0 0
THE FINANCIAL SELECT SECTOR SPDR FUND ETF 81369Y605 123 5,000 SH   SOLE   5,000 0 0
SILVER RUN ACQUISITION CORPORATION II CMN CLASS A COM 82812A103 10,675 1,053,798 SH   SOLE   1,053,798 0 0
WTS/SILVER RUN ACQUISITION CORPORATION II EXP12/31/2022 WTS 82812A111 630 351,266 SH Call SOLE   351,266 0 0
SILVER RUN ACQUISITION CORPORATION II UNIT OTHER 82812A202 1 2 SH   SOLE   2 0 0
SOLAR CAPITAL LTD. MUTUAL FUND COM 83413U100 109 5,000 SH   SOLE   5,000 0 0
TCP CAP CORP MUTUAL FUND COM 87238Q103 17 1,000 SH   SOLE   1,000 0 0
THL CREDIT INC MUTUAL FUND COM 872438106 219 21,964 SH   SOLE   21,964 0 0
TPG PACE ENERGY HOLDINGS CORP OTHER 872656202 69 6,644 SH   SOLE   6,644 0 0
TRI POINTE GROUP INC CMN COM 87265H109 396 30,000 SH   SOLE   30,000 0 0
TEMPLETON GLOBAL INCOME FUND MUTUAL FUND COM 880198106 269 40,000 SH   SOLE   40,000 0 0
PUT/TSLA @ 200 EXP 01/18/2019 PUT 88160R101 2,380 1,600 SH Put SOLE   1,600 0 0
PUT/TSLA @ 150 EXP 01/18/2019 PUT 88160R101 233 300 SH Put SOLE   300 0 0
TOLL BROTHERS, INC. CMN COM 889478103 957 24,231 SH   SOLE   24,231 0 0
TRIANGLE CAPITAL CORPORATION MUTUAL FUND COM 895848109 18 1,000 SH   SOLE   1,000 0 0
TRUSTCO BANK CORP NY CMN COM 898349105 2,015 260,000 SH   SOLE   260,000 0 0
U.S. GLOBAL INVESTORS INC A CMN COM 902952100 2 1,000 SH   SOLE   1,000 0 0
U S GEOTHERMAL INC CMN COM 90338S201 314 68,366 SH   SOLE   68,366 0 0
VANGUARD SPECIALIZED PORTFOLIO VANGUARD DIVIDEND APPRECIATION MUTUAL FUND CL ETF SER VIPERS ETF 921908844 35,285 380,756 SH   SOLE   380,756 0 0
VANGUARD FTSE ALL-WORLD EX-US INDEX FUND ETF ETF 922042775 27 542 SH   SOLE   542 0 0
VANTAGE ENERGY ACQUISITION CORP. CMN COM 92211L105 4,875 499,998 SH   SOLE   499,998 0 0
WTS/VANTAGE ENERGY ACQUISITION CORP. EXP04/12/2024 WTS 92211L113 208 166,666 SH Call SOLE   166,666 0 0
VANTAGE ENERGY ACQUISITION CORP. UNIT OTHER 92211L204 1 2 SH   SOLE   2 0 0
VANGUARD S&P 500 ETF ETF 922908363 350,814 1,579,818 SH   SOLE   1,579,818 0 0
VIDEOCON D2H LIMITED ADR CMN COM 92657J101 487 50,000 SH   SOLE   50,000 0 0
VIRTU FINANCIAL, INC. CMN CLASS A COM 928254101 3,927 222,481 SH   SOLE   222,481 0 0
VISTRA ENERGY CORP. CMN COM 92840M102 6,296 375,000 SH   SOLE   375,000 0 0
VOLT INFO SCIENCES, INC. CMN COM 928703107 5 1,203 SH   SOLE   1,203 0 0
WAYSIDE TECHNOLOGY GROUP, INC CMN COM 946760105 178 9,208 SH   SOLE   9,208 0 0
WEBSTER FINANCIAL CORP CMN COM 947890109 183 3,500 SH   SOLE   3,500 0 0
CALL/XLNX @ 75 EXP 01/18/2019 CALL 983919101 480 1,000 SH Call SOLE   1,000 0 0
ALLERGAN PLC CMN COM G0177J108 243 1,000 SH   SOLE   1,000 0 0
ASIA PACIFIC WIRE & CABLE CORP CMN COM G0535E106 152 50,630 SH   SOLE   50,630 0 0
ELECTRUM SPL ACQUISITION CORP CMN COM G3105C104 505 50,000 SH   SOLE   50,000 0 0
WTS/ELECTRUM SPL ACQUISITION C EXP12/31/2020 WTS G3105C112 18 50,000 SH Call SOLE   50,000 0 0
ESSENT GROUP LTD. CMN COM G3198U102 74 2,000 SH   SOLE   2,000 0 0