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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Total
Beginning balance at Dec. 31, 2020 $ 130 $ 42,536 $ 19,607 $ (32,110) $ (38) $ 30,125
Beginning balance (in shares) at Dec. 31, 2020 8,931,385          
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of shares from exercise of stock options $ 0 436 0 0 0 436
Issuance of shares from exercise of stock options (in shares) 97,000          
Issuance of common stock on restricted stock units $ 0 0 0 0 0 0
Issuance of common stock on restricted stock units (in shares) 50,525          
Issuance of common stock, net of issuance cost $ 9 11,201 0 0 0 11,210
Issuance of common stock, net of issuance cost (in shares) 842,375          
Relinquishments of stock options and deferred stock units to pay withholding taxes $ 0 (133) 0 0 0 (133)
Relinquishments of stock options and deferred stock units to pay withholding taxes (in shares) (48,396)          
Share-based compensation expense $ 0 1,206 0 0 0 1,206
Foreign currency translation adjustment, net of tax 0 0 0 0 181 181
Net loss 0 0 (4,041) 0 0 (4,041)
Ending balance at Dec. 31, 2021 $ 139 55,246 15,566 (32,110) 143 $ 38,984
Ending balance (in shares) at Dec. 31, 2021 9,872,889         13,917,731
Beginning balance at Sep. 30, 2021     16,389     $ 39,361
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net loss           (823)
Ending balance at Dec. 31, 2021 $ 139 55,246 15,566 (32,110) 143 $ 38,984
Ending balance (in shares) at Dec. 31, 2021 9,872,889         13,917,731
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of shares from exercise of stock options $ 0 0 0 0 0 $ 0
Issuance of shares from exercise of stock options (in shares) 17,500          
Issuance of common stock on restricted stock units $ 0 0 0 0 0 0
Issuance of common stock on restricted stock units (in shares) 47,931          
Relinquishments of stock options and deferred stock units to pay withholding taxes $ 0 (119) 0 0 0 (119)
Relinquishments of stock options and deferred stock units to pay withholding taxes (in shares) (26,437)          
Share-based compensation expense $ 0 1,155 0 0 0 1,155
Foreign currency translation adjustment, net of tax 0 0 0 0 (222) (222)
Net loss 0 0 (5,936) 0 0 (5,936)
Ending balance at Dec. 31, 2022 $ 139 $ 56,282 $ 9,630 $ (32,110) $ (79) $ 33,862
Ending balance (in shares) at Dec. 31, 2022 9,911,883         13,956,725