Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets
Cash	$ 8,463	$ 2,087
Prepaid expenses and other current assets	216	177
Current assets of discontinued operations	9	1,370
Total current assets	8,688	3,634
Property and equipment, net	100	164
Other long term assets	35	60
Noncurrent assets of discontinued operations	0	842
Total assets	8,823	4,700
Current liabilities
Note payable, net	0	6,650
Accounts payable	262	686
Accrued expenses	783	1,236
Accrued compensation	668	614
Current liabilities of discontinued operations	101	2,108
Total current liabilities	1,814	11,294
Warrant liabilities	636	846
Deferred rent	54	76
Total liabilities	2,504	12,216
Commitments and contingencies
Stockholders’ equity (deficit)
Preferred stock, $.001 par value, 10,000,000 shares authorized, no shares issued or outstanding as of September 30, 2017 and December 31, 2016	0	0
Common stock, $.001 par value, 30,000,000 shares authorized, 15,029,052 and 7,733,205 issued and outstanding as of September 30, 2017 and December 31, 2016, respectively	15	8
Additional paid-in-capital	319,845	308,784
Accumulated deficit	(313,541)	(316,308)
Total stockholders’ equity (deficit)	6,319	(7,516)
Total liabilities and stockholders’ equity (deficit)	$ 8,823	$ 4,700