Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 7,315	$ 10,803
Restricted cash	4,314	4,304
Accounts receivable, net of allowances for bad debts and customer credits of $101 and $406 at December 31, 2021 and 2020, respectively	11,433	13,955
Vehicle inventory	1,076	0
Prepaid expenses and other current assets	998	847
Total current assets	25,136	29,909
Property and equipment, net	3,853	2,953
Right-of-use assets	1,993	2,892
Intangible assets, net	3,634	4,733
Other assets	516	642
Total assets	35,132	41,129
Current liabilities:
Accounts payable	7,705	7,233
Borrowings under revolving credit facility	10,001	10,185
Accrued employee-related benefits	1,782	2,123
Other accrued expenses and other current liabilities	610	538
PPP loan	0	1,384
Current portion of lease liabilities	781	1,015
Current portion of financing debt	64	65
Total current liabilities	20,943	22,543
Lease liabilities, net of current portion	1,432	2,191
Financing debt, net of current portion	0	60
Total liabilities	22,375	24,794
Commitments and contingencies (Note 7)
Stockholders’ equity:
Common stock, $0.001 par value; 55,000,000 shares authorized; 13,489,482 and 13,169,204 shares issued and outstanding at December 31, 2021 and 2020, respectively	13	13
Additional paid-in capital	368,168	366,087
Accumulated deficit	(355,424)	(349,765)
Total stockholders’ equity	12,757	16,335
Total liabilities and stockholders’ equity	35,132	41,129
Series A Preferred Stock [Member]
Stockholders’ equity:
Series A Preferred stock 2,000,000 shares authorized, none issued and outstanding at December 31, 2021 and 2020, respectively	$ 0	$ 0