Restricted Cash	12 Months Ended
Dec. 31, 2011
Restricted Cash and Investments [Abstract]
Restricted Cash	RESTRICTED CASH The Company established an irrevocable letter of credit with its bank in favor of an equipment vendor in the approximate amount of $3.0 million in February 2011. Approximately $1.6 million was paid in the quarter ending September 30, 2011 and the remainder of approximately $1.4 million was paid in the first quarter of 2012. The letter of credit is collateralized by an interest bearing account. The amount is reflected as “Restricted cash” under “Other Assets” in the Balance Sheets.

Restricted Cash

12 Months Ended

Dec. 31, 2011

Restricted Cash and Investments [Abstract]

RESTRICTED CASH

The Company established an irrevocable letter of credit with its bank in favor of an equipment vendor in the approximate amount of $3.0 million in February 2011. Approximately $1.6 million was paid in the quarter ending September 30, 2011 and the remainder of approximately $1.4 million was paid in the first quarter of 2012. The letter of credit is collateralized by an interest bearing account. The amount is reflected as “Restricted cash” under “Other Assets” in the Balance Sheets.