September 2015 Convertible Notes (Details) - Convertible Debt [Member] - USD ($)			4 Months Ended	12 Months Ended
	Apr. 29, 2016	Dec. 18, 2015	Dec. 31, 2015	Dec. 31, 2016	Sep. 28, 2015	Sep. 04, 2015
Debt Instrument [Line Items]
Aggregate principal amount of notes outstanding					$ 500,000	$ 1,500,000
Convertible Notes, September 2015 [Member]
Debt Instrument [Line Items]
Conversion price (in dollars per share)					$ 2.4
Beneficial conversion feature on convertible debt		$ 1,380,000
Stated interest rate					8.00%
Interest accrued on convertible debt			$ 49,000	$ 100,000
Debt instrument, decrease, forgiveness	$ 2,100,000
April 2016 Rights Shares [Member]
Debt Instrument [Line Items]
Issuance of stock (in shares)	2,100,000			2,052,865
Gain (loss) on extinguishment of debt				$ (890,000)