Redeemable Convertible Preferred Stock (Details) - USD ($)				3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 29, 2017	Apr. 08, 2016	Jun. 13, 2013	Apr. 07, 2016	Jun. 30, 2017	Dec. 31, 2016	Jun. 30, 2016
Class of Stock [Line Items]
Amount reclassified to Series B from APIC to adjust redemption value				$ 1,858,000
Shares of common stock issued upon conversion of preferred stock		150,556
Derivative liability					$ 387,000	$ 2,443,000
Liability fair value adjustment					(2,034,000)
Dividends payable					$ 38,000
Common stock closing price					$ 0.78	$ 4.40
Common Stock Issuance Agreement [Member]
Class of Stock [Line Items]
Future shares of common stock approved to be issued per agreement						28,684
Number of shares contingently issuable to Holders per CSIA					523,210		523,210
Capital raised limit for Price Protection Obligation					$ 10,000,000
Common Stock Issuance Agreement Amendment [Member]
Class of Stock [Line Items]
Shares issued per agreements	28,684				28,684
Price Protection Obligation [Member] | Common Stock Issuance Agreement [Member]
Class of Stock [Line Items]
Liability associated with Second Issuance					$ 408,000
Shares issued to Holders pursuant to CSIA					75,020
Dilutive Financing Derivative Liability [Member]
Class of Stock [Line Items]
Derivative liability					$ 358,000	$ 126,000
Liability fair value adjustment					$ (104,000)
Series B Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized			9,357,935
Preferred Stock, initial stated value per share			$ 1.40
Preferred Stock, par value per share			$ 0.01
Preferred Stock dividend rate			10.00%
Number of shares converted		7,527,853