Debt Schedule of Debt Instruments (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013		Dec. 31, 2012
Debt Instrument [Line Items]
Long-term Debt	$ 10,430		$ 11,028
Long-term Debt, Current Maturities	(1,317)		(1,397)
Long-term debt, excluding current maturities	9,113		9,631
Comerica Revolver [Member] | Revolving Credit Facility [Member] | Comerica Bank [Member]
Debt Instrument [Line Items]
Loans payable	500		780
Comerica Term Loan [Member] | Term Loan [Member] | Comerica Bank [Member]
Debt Instrument [Line Items]
Loans payable	2,000		2,000
Escalate Term Loan [Member] | Term Loan [Member] | Escalate Capital Partners SBIC I, L.P. [Member]
Debt Instrument [Line Items]
Loans payable	5,842	[1]	5,920	[1]
Promissory Note with Stockholder Representative [Member] | Promissory Note [Member]
Debt Instrument [Line Items]
Notes Payable	$ 2,088		$ 2,328

[1] Total proceeds less debt discount as discussed below