Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited)

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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($)
shares in Thousands, $ in Thousands
Common Stock
Additional Paid-in Capital
Treasury Stock
Retained Earnings (Accumulated Deficit)
Total
Balance at Dec. 31, 2020 $ 3 $ 64,826 $ (1,538) $ (6,614) $ 56,677
Balance (in shares) at Dec. 31, 2020 28,385   1,261    
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Equity offering, net $ 1 42,973     42,974
Equity offering, net (in shares) 6,917        
Issuance of stock on options exercised   36 $ 42   78
Issuance of stock on options exercised (in shares)     (34)    
Stock-based compensation   124     124
Net income (loss)       (3,445) (3,445)
Balance at Mar. 31, 2021 $ 4 107,959 $ (1,496) (10,059) 96,408
Balance (in shares) at Mar. 31, 2021 35,302   1,227    
Balance at Dec. 31, 2021 $ 4 108,911 $ (1,292) 5,092 112,715
Balance (in shares) at Dec. 31, 2021 35,302   1,060    
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of stock on options exercised and restricted stocks vested   14 $ 125   139
Issuance of stock on options exercised and restricted stocks vested (in shares)     (103)    
Stock-based compensation   343     343
Net income (loss)       110 110
Balance at Mar. 31, 2022 $ 4 $ 109,268 $ (1,167) $ 5,202 $ 113,307
Balance (in shares) at Mar. 31, 2022 35,302   957