CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 40,562	$ 5,580
Accounts receivable, less allowance for doubtful accounts of $41 and $69, respectively	9,893	11,545
Prepaid and other	671	388
Current assets of discontinued operations	941	79,530
Total current assets	52,067	97,043
Property and equipment, net	170	1
Deferred tax assets, non-current	583	324
Restricted Cash, Noncurrent	352	102
Other assets	7	269
Disposal Group, Including Discontinued Operation, Assets, Noncurrent	0	13,901
Total assets	53,179	111,640
Current liabilities:
Accounts payable	1,461	1,193
Accrued expenses and other current liabilities	8,984	7,259
Current liabilities of discontinued operations	115	51,952
Total current liabilities	10,560	60,404
Income tax payable, non-current	1,982	1,682
Other Liabilities, Noncurrent	150	192
Total non-current liabilities	0	6,210
Total liabilities	12,692	68,488
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, 100,000 shares authorized; 36,135 and 34,959 shares issued; 31,905 and 31,159 shares outstanding, respectively	36	34
Additional paid-in capital	485,095	483,558
Accumulated deficit	(435,552)	(443,419)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(606)	10,709
Treasury stock, 4,230 and 3,800 shares, respectively, at cost	(8,486)	(7,730)
Total stockholders’ equity	40,487	43,152
Total liabilities and stockholders' equity	$ 53,179	$ 111,640