XML 49 R39.htm IDEA: XBRL DOCUMENT v3.21.1
Paycheck Protection Program Loan (Details) - Paycheck Protection Program [Member] - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Apr. 23, 2020
Debt Instruments [Abstract]    
Amount received from Paycheck Protection Program $ 10,000  
Interest rate 1.00% 1.00%
Percentage of principal amount of loan guaranteed 100.00% 100.00%
Accrued interest $ 93  
Long-term debt, current 8,800  
Long-term debt 1,300  
Interest expense $ 25