Long-term Debt (Details) $ / shares in Units, $ in Thousands			3 Months Ended	12 Months Ended
	Jan. 29, 2016 USD ($) $ / shares shares	Dec. 30, 2015 USD ($) Tranche	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($) $ / shares shares
Line of Credit Facility [Line Items]
Outstanding long term debt			$ 11,344	$ 9,851
Assumptions used to value the warrants [Abstract]
Number of shares underlying warrants (in shares) | shares	99,057			650,442
Exercise price (in dollars per share) | $ / shares	$ 1.06			$ 1.13
Stock price on date of issuance (in dollars per share) | $ / shares	$ 1.05			$ 1.11
Fair value of warrants	$ 47			$ 321
Volatility	50.00%			50.00%
Risk-free interest rate	1.80%			1.80%
Expected dividend yield	0.00%			0.00%
Expected warrant life	5 years			5 years
Term-Note Credit Facility [Member] | LIBOR [Member]
Line of Credit Facility [Line Items]
Interest rate on credit facility			8.25%
MidCap Financial Trust [Member]
Line of Credit Facility [Line Items]
Repayment term			60 months
MidCap Financial Trust [Member] | Term-Note Credit Facility [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity under the agreement		$ 12,000
Number of tranches | Tranche		2
Outstanding long term debt			$ 11,344
MidCap Financial Trust [Member] | Term-Note Credit Facility [Member] | LIBOR [Member]
Line of Credit Facility [Line Items]
LIBOR floor Rate			0.50%
MidCap Financial Trust [Member] | Term-Note Credit Facility [Member] | First Tranche [Member]
Line of Credit Facility [Line Items]
Proceeds from credit facility		$ 10,500
Repayment of debt		$ (10,000)
MidCap Financial Trust [Member] | Term-Note Credit Facility [Member] | Second Tranche [Member]
Line of Credit Facility [Line Items]
Proceeds from credit facility	$ 1,500