Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 17,249	$ 16,756
Other current assets	216	169
Total current assets	17,465	16,925
Property and equipment, net	26	29
Other assets	548	130
Total assets	18,039	17,084
Current liabilities:
Accounts payable	365	597
Accrued compensation and employee benefits	99	459
Accrued expenses and other liabilities	374	446
Total current liabilities	838	1,502
Deferred rent, net of current portion	3	1
Total liabilities	841	1,503
Commitments and contingencies
Stockholders’ equity:
Common stock, $0.001 par value; 100 million shares authorized at September 30, 2014 and December 31, 2013; 21,140,486 and 15,685,562 shares issued and outstanding at September 30, 2014 and December 31, 2013, respectively	21	16
Additional paid-in capital	99,188	90,498
Accumulated deficit	(82,011)	(74,933)
Total stockholders’ equity	17,198	15,581
Total liabilities and stockholders’ equity	$ 18,039	$ 17,084