Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 7,526	$ 9,063
Restricted cash	1,070	1,240
Accounts receivable, net	1,178	1,006
Prepaid expenses and other current assets	3,023	2,839
Total current assets	12,797	14,148
Property and equipment, net	26,155	26,568
Development costs	0	11,516
Other assets	95	217
Total assets	39,047	52,449
Current liabilities:
Accounts payable	2,555	2,805
Accrued expenses and other current liabilities	6,041	7,405
Total current liabilities	8,596	10,210
Long-term loan, related party	17,426	17,426
Total liabilities	48,822	27,636
Stockholders’ (deficit) equity:
Common stock, $0.01 par value, 150,000 shares authorized, 36,495 and 30,073 shares issued and outstanding in 2013 and 2012, respectively	365	300
Additional paid-in capital	159,027	146,083
Accumulated deficit	(169,167)	(128,425)
Total stockholders’ (deficit) / equity	(9,775)	24,813
Total liabilities and stockholders' equity	39,047	52,449
Series A [Member]
Stockholders’ (deficit) equity:
Preferred stock, 5,000 shares authorized; $0.01 par value	0	0
Series B [Member]
Stockholders’ (deficit) equity:
Preferred stock, 5,000 shares authorized; $0.01 par value	0	0
Total stockholders’ (deficit) / equity	0	0
Series E [Member]
Current liabilities:
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Noncurrent	22,800
Stockholders’ (deficit) equity:
Preferred stock, 5,000 shares authorized; $0.01 par value	0	6,855
Total stockholders’ (deficit) / equity	$ 1	$ 6,855