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CREDIT FACILITY AND ACQUISITION DEBT (Tables)
 3 Months Ended
Mar. 31, 2021
Debt Disclosure [Abstract]  
Schedule of Long-term Debt
Our Credit Facility and Acquisition debt consisted of the following (in thousands):
December 31, 2020March 31, 2021
Credit Facility$47,200 $28,300 
Debt issuance costs, net of accumulated amortization of $819 and $937, respectively
(1,136)(1,018)
Total Credit Facility$46,064 $27,282 
Acquisition debt$5,509 $5,355 
Less: current portion(1,027)(913)
Total acquisition debt, net of current portion$4,482 $4,442 
The imputed interest expense related to our acquisition debt is as follows (in thousands):
Three months ended March 31,
20202021
Acquisition debt imputed interest expense$127 $97 
Schedule of Line of Credit Facilities he interest expense and amortization of debt issuance costs related to our Credit Facility are as follows (in thousands):
Three months ended March 31,
20202021
Credit Facility interest expense$1,230 $445 
Credit Facility amortization of debt issuance costs126 118