CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 29,517	$ 31,190
Accounts receivable, less allowance for doubtful accounts of $155 and $174, respectively	12,300	12,795
Restricted cash, current	154	148
Prepaid and other	1,366	804
Total current assets	43,337	44,937
Property and equipment, net	146	186
Operating lease right-of-use assets	325	401
Deferred tax assets	696	793
Restricted cash	225	380
Other assets	7	7
Total assets	44,736	46,704
Current liabilities:
Accounts payable	670	1,064
Accrued expenses and other current liabilities	8,988	8,178
Short-term debt	589	0
Operating lease obligations, current	267	246
Total current liabilities	10,514	9,488
Income tax payable	843	845
Operating lease obligations	63	160
Long-term Debt	737	0
Other liabilities	187	177
Total liabilities	12,344	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	486,325	486,088
Accumulated deficit	(437,790)	(436,507)
Accumulated other comprehensive loss, net of applicable tax	(822)	(479)
Treasury stock, 987 and 726 shares, respectively, at cost	(15,325)	(13,072)
Total stockholders' equity	32,392	36,034
Total liabilities and stockholders' equity	$ 44,736	$ 46,704