CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 29,345	$ 31,190
Accounts receivable, less allowance for doubtful accounts of $20 and $174, respectively	11,916	12,795
Restricted cash, current	154	148
Prepaid and other	1,213	804
Total current assets	42,628	44,937
Property and equipment, net	132	186
Operating lease right-of-use assets	269	401
Deferred tax assets	725	793
Restricted cash	234	380
Other assets	7	7
Total assets	43,995	46,704
Current liabilities:
Accounts payable	392	1,064
Accrued expenses and other current liabilities	8,920	8,178
Short-term debt	810	0
Operating lease obligations, current	230	246
Total current liabilities	10,352	9,488
Income tax payable	859	845
Operating lease obligations	43	160
Long-term Debt	516	0
Other liabilities	167	177
Total liabilities	11,937	10,670
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; 3,672 and 3,663 shares issued; 2,685 and 2,936 shares outstanding, respectively	4	4
Additional paid-in capital	486,659	486,088
Accumulated deficit	(438,947)	(436,507)
Accumulated other comprehensive loss, net of applicable tax	(333)	(479)
Treasury stock, 987 and 726 shares, respectively, at cost	(15,325)	(13,072)
Total stockholders' equity	32,058	36,034
Total liabilities and stockholders' equity	$ 43,995	$ 46,704