Long-term Debt (Details) $ in Thousands			6 Months Ended
	Jan. 29, 2016 USD ($)	Dec. 30, 2015 USD ($)	Jun. 30, 2017 USD ($) Tranche	Dec. 31, 2016 USD ($)
Long-term Debt [Abstract]
Less: current portion			$ (3,429)	$ (1,714)
Long-term debt			8,150	9,752
Term-Note Credit Facility [Member]
Long-term Debt [Abstract]
Term note, net of debt discount of $204 and $258, respectively; and deferred financing cost of $217 and $276, respectively			11,579	11,466
Less: current portion			(3,429)	(1,714)
Long-term debt			8,150	9,752
Maturities of Long-term Debt [Abstract]
Remaining in 2017			1,714
2018			3,429
2019			3,429
2020			3,428
Total long-term debt			12,000
Unamortized discount on the long term debt			204	258
Deferred financing costs			217	$ 276
MidCap Financial Trust [Member] | Term-Note Credit Facility [Member]
Long-term Debt [Abstract]
Long-term debt			11,579
Maturities of Long-term Debt [Abstract]
Maximum borrowing capacity under the agreement			$ 12,000
Number of tranches | Tranche			2
MidCap Financial Trust [Member] | Term-Note Credit Facility [Member] | LIBOR [Member]
Maturities of Long-term Debt [Abstract]
Interest rate on credit facility			8.25%
Debt instrument term of variable rate			1 month
MidCap Financial Trust [Member] | Term-Note Credit Facility [Member] | LIBOR [Member] | Minimum [Member]
Maturities of Long-term Debt [Abstract]
LIBOR floor Rate			0.50%
MidCap Financial Trust [Member] | Term-Note Credit Facility [Member] | LIBOR [Member] | Maximum [Member]
Maturities of Long-term Debt [Abstract]
LIBOR floor Rate			9.30%
MidCap Financial Trust [Member] | Term-Note Credit Facility [Member] | First Tranche [Member]
Maturities of Long-term Debt [Abstract]
Proceeds from credit facility		$ 10,500
Repayment of debt		$ (10,000)
MidCap Financial Trust [Member] | Term-Note Credit Facility [Member] | Second Tranche [Member]
Maturities of Long-term Debt [Abstract]
Proceeds from credit facility	$ 1,500