CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash	$ 7,639	$ 11,672
Other current assets	270	107
Total current assets	7,909	11,779
Deferred tax assets	3,362	11,111
Total assets	11,271	22,890
Current liabilities:
Accounts payable	770	90
Accrued expenses and other current liabilities	170	205
Accrued lease termination costs	0	4,506
Total current liabilities	940	4,801
Commitments and contingencies
Stockholders’ equity:
Preferred stock - $0.01 par value, authorized 3,000,000 shares; no shares issued and outstanding at December 31, 2016 and 2015	0	0
Common stock - $0.01 par value, authorized 170,000,000 shares; issued and outstanding 44,214,603 shares at December 31, 2016 and 2015	441	441
Additional paid-in capital	90,282	96,914
Accumulated deficit	(80,392)	(79,266)
Total stockholders’ equity	10,331	18,089
Total liabilities and stockholders’ equity	$ 11,271	$ 22,890