Related Party (Details) - USD ($)	1 Months Ended	3 Months Ended			6 Months Ended
	Jan. 31, 2015	Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Apr. 29, 2016	Mar. 17, 2016	Feb. 08, 2016	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Maximum percentage of excess cash approved for short term investment	25.00%
Subscription agreement, incentive compensation of common stock value									$ 1.00
Closing price of common stock									$ 0.65
Short term investments		$ 35,700,000			$ 35,700,000					$ 0
Cash investment limitation			25.00%
Short term investment (income) loss		1,500,000		$ 0	300,000	$ 0
Other (income) expense
Restructuring Cost and Reserve [Line Items]
Accrued fees		400,000			400,000
President
Restructuring Cost and Reserve [Line Items]
Consulting fees per week			$ 172,000
President | Restructuring and Other Charges
Restructuring Cost and Reserve [Line Items]
Consulting fees paid			$ 2,100,000
Clinton Group
Restructuring Cost and Reserve [Line Items]
Subscription agreement, cash managed								$ 35,000,000	$ 20,000,000
Short term investments		$ 35,100,000			$ 35,100,000
Minimum
Restructuring Cost and Reserve [Line Items]
Subscription agreement, incentive compensation of common stock value							$ 1.00
Maximum
Restructuring Cost and Reserve [Line Items]
Subscription agreement, incentive compensation of common stock value							$ 1.80