Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 3,792	$ 7,315
Restricted cash	4,317	4,314
Accounts receivable, net of allowances for bad debts and customer credits of $49 and $101 at March 31, 2022 and December 31, 2021, respectively	10,881	11,433
Vehicle inventory	480	1,076
Prepaid expenses and other current assets	631	998
Total current assets	20,101	25,136
Property and equipment, net	3,900	3,853
Right-of-use assets	1,822	1,993
Intangible assets, net	3,340	3,634
Other assets	474	516
Total assets	29,637	35,132
Current liabilities:
Accounts payable	7,249	7,705
Borrowings under revolving credit facility	9,108	10,001
Accrued employee-related benefits	1,517	1,782
Other accrued expenses and other current liabilities	717	610
Current portion of lease liabilities	729	781
Current portion of financing debt	48	64
Total current liabilities	19,368	20,943
Lease liabilities, net of current portion	1,303	1,432
Total liabilities	20,671	22,375
Commitments and contingencies (Note 9)
Stockholders’ equity:
Common stock, $0.001 par value; 55,000,000 shares authorized, 14,051,149 and 13,489,482 shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively	14	13
Additional paid-in capital	368,683	368,168
Accumulated deficit	(359,731)	(355,424)
Total stockholders’ equity	8,966	12,757
Total liabilities and stockholders’ equity	29,637	35,132
Series A Preferred Stock [Member]
Stockholders’ equity:
Preferred stock, $0.001 par value, 11,445,187 shares authorized, Series A Preferred stock, 2,000,000 shares authorized, none issued and outstanding at March 31, 2022 and December 31, 2021, respectively.	$ 0	$ 0