Debt and Capital Lease Obligations - Loan and Security Agreement - PFS - Additional Information (Details) - USD ($)	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Line Of Credit Facility [Line Items]
Subordinated note outstanding	$ 2,500,000	$ 2,500,000
PFS | Comerica
Line Of Credit Facility [Line Items]
Tangible net worth	20,000,000
Working Capital Advances | PFS | Comerica
Line Of Credit Facility [Line Items]
Maximum limit of loans and security agreement	17,000,000
Working Capital Seasonal Advances | PFS | Comerica
Line Of Credit Facility [Line Items]
Maximum limit of loans and security agreement	20,000,000
Equipment Advances | PFS | Comerica
Line Of Credit Facility [Line Items]
Maximum limit of loans and security agreement	$ 2,000,000
Prime Rate | Working Capital Seasonal Advances | PFS | Comerica
Line Of Credit Facility [Line Items]
Debt instrument, variable interest rate	1.00%
Prime Rate | Equipment Advances | PFS | Comerica
Line Of Credit Facility [Line Items]
Debt instrument, variable interest rate	1.50%
Maximum | PFS | Comerica
Line Of Credit Facility [Line Items]
Subordinated note outstanding	$ 5,000,000