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Loan and Security Agreement with F & M Bank & Trust Company (Details) (USD $)	Mar. 30, 2014	Aug. 28, 2012
Loan and Security Agreement with F & M Bank & Trust Company:
Revolving credit facility provided	$ 1.1	$ 2.0
Revolving credit facility with letter of credit subfacility	0.2	0.5
Fully Funded Term loan facility		2.0
Advancing term loan facility	0.7	6.0
Origination fee of the total credit		0.50%
Unused commitment fee per annum is payable quarterly		0.50%
F & M funded term loan payable	1.1	2.0
Term loan payable in equal monthly installments		48
Accrued interest at a fixed rate	4.57%	4.57%
Advancing term loan facility subject to the terms and conditions of the F & M loan agreement	$ 0
Interest on each term Prime plus	4.25%
Bloomberg 4-year LIBOR swap rate plus	3.90%