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Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Common Stock [Member]
Treasury Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
BALANCE, December 31, 2019 (in shares) at Dec. 31, 2019 16,830,930 (273,937)      
BALANCE, December 31, 2019 at Dec. 31, 2019 $ 17 $ (1,842) $ 383,361 $ (340,776) $ 40,760
Stock issued for restricted stock (in shares) 360,359        
Share-based compensation     1,295   1,295
Shares withheld for taxes in connection with issuance of restricted stock (in shares) (71,272)        
Shares withheld for taxes in connection with issuance of restricted stock     (139)   (139)
Sale of common stock, net (in shares) 91,481        
Sale of common stock, net     232   232
Net income (loss)       (1,487) (1,487)
BALANCE (in shares) at Dec. 31, 2020 17,211,498 (273,937)      
BALANCE at Dec. 31, 2020 $ 17 $ (1,842) 384,749 (342,263) 40,661
Stock issued for restricted stock (in shares) 695,216 0      
Share-based compensation     1,541   1,541
Shares withheld for taxes in connection with issuance of restricted stock (in shares) (234,280)        
Shares withheld for taxes in connection with issuance of restricted stock     (1,423)   (1,423)
Sale of common stock, net (in shares) 1,897,697        
Sale of common stock, net $ 2   9,312   9,314
Net income (loss)       2,847 2,847
Stock issued for restricted stock $ 1       1
Stock issued under defined contribution 401(k) retirement savings plan (in shares) 289,519        
Stock issued under defined contribution 401(k) retirement savings plan     1,193   1,193
BALANCE (in shares) at Dec. 31, 2021 19,859,650 (273,937)      
BALANCE at Dec. 31, 2021 $ 20 $ (1,842) $ 395,372 $ (339,416) $ 54,134