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Unaudited Condensed Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Common Stock
Paid-In Capital [Member]
Retained Earnings (Accumulated Deficit) [Member]
Noncontrolling Interest [Member]
Total
Balances at Dec. 31, 2020 $ 19 $ 102,324 $ (16,595) $ 507 $ 86,255
Balances (in shares) at Dec. 31, 2020 19,260,862        
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Compensation expense related to stock options and restricted stock   169     169
Shares issued on exercise of stock options, net (in shares) 1,667        
Net loss     (2,547) (81) (2,628)
Balances at Mar. 31, 2021 $ 19 102,493 (19,142) 426 83,796
Balances (in shares) at Mar. 31, 2021 19,262,529        
Balances at Dec. 31, 2021 $ 20 103,039 (28,779) 662 74,942
Balances (in shares) at Dec. 31, 2021 19,571,119        
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Compensation expense related to stock options and restricted stock   30     30
Net loss     (3,487) (252) (3,739)
Balances at Mar. 31, 2022 $ 20 $ 103,069 $ (32,266) $ 410 $ 71,233
Balances (in shares) at Mar. 31, 2022 19,571,119