XML 55 R44.htm IDEA: XBRL DOCUMENT v3.21.1
Shareholders' Equity - Shareholders' Equity (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Balance, beginning of period $ 49,814  
Foreign currency translation adjustment (12) $ (34)
Net loss (1,655) (1,847)
Balance, end of period 48,180 42,614
Common stock and additional paid-in capital [Member]    
Balance, beginning of period 63,378 58,537
Share-based compensation expense 31 37
Proceeds from employee stock purchase plan 4 3
Balance, end of period 63,413 58,577
Accumulated other comprehensive loss [Member]    
Balance, beginning of period (186) (176)
Unrealized loss on available-for-sale securities, net of tax (2) (23)
Foreign currency translation adjustment (12) (34)
Balance, end of period (200) (233)
Accumulated deficit [Member]    
Balance, beginning of period (13,378) (13,883)
Net loss (1,655) (1,847)
Balance, end of period $ (15,033) $ (15,730)