Subsequent Event (Details) (USD $)	0 Months Ended		9 Months Ended
	Nov. 12, 2013	May 03, 2013	Sep. 30, 2013
Subsequent Event
Convertible Notes Payable, Current	$ 17,100,000
Common stock issued on debt conversion	3,200,000
Common stock issued for interest make whole	600,000
Settlement Liabilities, Current	800,000
Aggregate principal amount of convertible senior secured notes issued		90,000,000	90,000,000
Fixed interest rate (as a percent)		7.50%	7.50%
Net proceeds from issuance of debt		86,500,000	90,000,000
Loss on extinguishment of debt			$ (1,162,000)