CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 26,190	$ 25,806
Accounts receivable, less allowance for doubtful accounts of $2 and $10, respectively	20,970	13,445
Restricted cash, current	109	152
Prepaid and other	1,317	889
Total current assets	48,586	40,292
Property and equipment, net	159	115
Operating lease right-of-use assets	514	210
Deferred tax assets	1,288	1,037
Restricted cash	225	241
Goodwill	2,088	2,088
Intangible assets, net	1,160	1,400
Other assets	5	3
Total assets	54,025	45,386
Current liabilities:
Accounts payable	390	576
Accrued expenses and other current liabilities	15,925	9,241
Operating lease obligations, current	344	192
Total current liabilities	16,659	10,009
Income tax payable	467	887
Operating lease obligations	177	22
Other liabilities	192	188
Total liabilities	17,495	11,106
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.001 par value, 10,000 shares authorized; none issued or outstanding	0	0
Common stock, $0.001 par value, 20,000 shares authorized; 3,694 and 3,672 shares issued; 2,707 and 2,685 shares outstanding, respectively	4	4
Additional paid-in capital	488,620	486,825
Accumulated deficit	(436,581)	(437,750)
Accumulated other comprehensive (loss) income, net of applicable tax	(184)	526
Treasury stock, 987 and 987 shares, respectively, at cost	(15,329)	(15,325)
Total stockholders' equity	36,530	34,280
Total liabilities and stockholders' equity	$ 54,025	$ 45,386