Fair Value Measurements (Details) - USD ($)	1 Months Ended	3 Months Ended
	Jan. 31, 2015	Mar. 31, 2016	Mar. 31, 2015	Apr. 29, 2016	Mar. 17, 2016	Feb. 08, 2016	Dec. 31, 2015
Schedule of Available-for-sale Securities [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
Cash investment limitation		25.00%
Short term investments		$ 36,800,000					$ 0
Unrealized gain on investments		1,600,000	$ 0
Subsequent Event | Minimum
Schedule of Available-for-sale Securities [Line Items]
Subscription agreement, incentive compensation of common stock value				$ 1.00
Subsequent Event | Maximum
Schedule of Available-for-sale Securities [Line Items]
Subscription agreement, incentive compensation of common stock value				$ 1.80
Other (income) expense
Schedule of Available-for-sale Securities [Line Items]
Unrealized gain on investments		1,600,000
Accrued fees		500,000
Clinton Group
Schedule of Available-for-sale Securities [Line Items]
Subscription agreement, cash managed					$ 35,000,000	$ 20,000,000
Short term investments		$ 36,600,000