Credit Facility (Details) (USD $)	0 Months Ended
	Aug. 13, 2014	Jun. 13, 2014	Dec. 31, 2013
Credit Facility
Line of credit outstanding			$ 4,764,000
Revolving line of credit
Credit Facility
Maximum borrowing capacity	25,000,000	12,000,000
Line of credit outstanding			4,800,000
Percentage of eligible accounts receivable in which advances are granted under the credit facility	80.00%
Commitment fee	50,000
Quick ratio minimum	1.5
Minimum percentage used in calculation to determine the quick ratio debt covenant requirement	75.00%
Specified amount of draws against credit facility used to determine quick ratio debt covenant requirement	25,000,000
Revolving line of credit | LIBOR | Variable interest rate, net cash greater than or equal to $1.00
Credit Facility
Variable rate basis spread (as a percent)	2.25%
Revolving line of credit | LIBOR | Variable interest rate, net cash less than $1.00
Credit Facility
Variable rate basis spread (as a percent)	3.75%
Revolving line of credit | LIBOR | Minimum | Variable interest rate, net cash greater than or equal to $1.00
Credit Facility
Net cash threshold	1.00
Revolving line of credit | LIBOR | Maximum | Variable interest rate, net cash less than $1.00
Credit Facility
Net cash threshold	1.00
Revolving line of credit | Prime | Variable interest rate, net cash less than $1.00
Credit Facility
Variable rate basis spread (as a percent)	1.50%
Revolving line of credit | Prime | Minimum | Variable interest rate, net cash greater than or equal to $1.00
Credit Facility
Net cash threshold	1.00
Revolving line of credit | Prime | Maximum | Variable interest rate, net cash less than $1.00
Credit Facility
Net cash threshold	$ 1.00