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Long-term Debt (Details)	May 10, 2016 day $ / shares shares	May 09, 2016 USD ($) $ / shares shares	May 08, 2013 USD ($) $ / shares shares	Jul. 29, 2016 $ / shares	Jul. 13, 2016 $ / shares	Jun. 30, 2016 USD ($) shares	Jun. 29, 2016 $ / shares	Jan. 12, 2016 $ / shares	Dec. 31, 2015 shares	Mar. 18, 2015 $ / shares shares
Debt Instrument [Line Items]
Term for interest only payments			12 months
Interest payments at the fixed coupon rate			8.45%
Warrants outstanding | shares						37,418,000			22,308,000
Exercise price (usd per share) | $ / shares	$ 1.51		$ 2.47					$ 1.42		$ 2.08
Warrant term			7 years
Cash final payment percentage			5.50%
Term for principal and interest payments			30 months
Cash facility fee percentage			1.00%
Number of shares availabe from warrants | shares										1,826,923
Duration of average market price used for warrant exercise price			20 days
Maximum [Member]
Debt Instrument [Line Items]
Number of shares availabe from warrants | shares			182,186
First Tranche [Member]
Debt Instrument [Line Items]
Loan, amount | $			$ 10,000,000
Subsequent Event [Member]
Debt Instrument [Line Items]
Warrants outstanding | shares		1,000,000
Exercise price (usd per share) | $ / shares		$ 1.51		$ 0.43	$ 0.65
Warrant term		5 years
Number of shares availabe from warrants | shares		2,000,000
Debt Instrument, Covenant, Liquidity Covenant | $		$ 24,000,000
Senior Secured Debentures [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount | $						$ 25,500,000.0
Senior Secured Debentures [Member] | Senior Notes [Member]
Debt Instrument [Line Items]
Redemption period (days) | day	3
Discount to the prior trading day’s volume weighted average price	7.50%
Warrants outstanding | shares	1,000,000
Exercise price (usd per share) | $ / shares							$ 0.43
Senior Secured Debentures [Member] | Subsequent Event [Member]
Debt Instrument [Line Items]
Interest payments at the fixed coupon rate		9.00%
Debt Instrument, Principal That Could Be Redeemed | $		$ 1,100,000
Debt Instrument, Redemption Price, Percentage		7.50%
Proceeds from Issuance of Secured Debt | $		$ 23,400,000
Dent Instrument, Original Issue Discount, Percent		6.375%
Debt Instrument, Face Amount | $		$ 25,530,000
Debt Instrument, Placement Agent Fee, Percent of Funds Received		2.00%

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