Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 14,865	$ 7,526
Restricted cash	1,695	1,070
Accounts receivable, net	413	1,178
Prepaid expenses and other current assets	3,455	3,023
Total current assets	20,428	12,797
Property and equipment, net	25,633	26,155
Other assets	50	95
Total assets	46,111	39,047
Current liabilities:
Accounts payable	2,699	2,555
Accrued expenses and other current liabilities	7,500	6,041
Due to Related Parties, Current	17,426	0
Total current liabilities	27,625	8,596
Long-term loan, related party	0	17,426
Total liabilities	55,625	48,822
Stockholders' equity:
Common stock, $0.01 par value, 150,000 shares authorized, 30,023 and 29,931 shares issued and outstanding in 2012 and 2011, respectively	394	365
Additional paid-in capital	175,124	159,027
Accumulated deficit	(185,032)	(169,167)
Total stockholders' equity	(9,514)	(9,775)
Total liabilities and stockholders' equity	46,111	39,047
Series A [Member]
Stockholders' equity:
Preferred stock, 5,000 shares authorized; $0.01 par value -	0	0
Series B [Member]
Stockholders' equity:
Preferred stock, 5,000 shares authorized; $0.01 par value -	0	0
Series E [Member]
Current liabilities:
Series E preferred stock payable - $10 per share redemption value, 1,551 Shares as of March 31, 2014 and December 31, 2013, (aggregate liquidation value of $29,549 as of March 31, 2014)	28,000	22,800
Stockholders' equity:
Preferred stock, 5,000 shares authorized; $0.01 par value -	$ 0	$ 0