Debt (Additional Information) (Details) - USD ($) $ in Millions	1 Months Ended	6 Months Ended
	Sep. 30, 2011	Jun. 30, 2015
Line of Credit Facility [Line Items]
Revolving credit facility	$ 100
2011 Loan Agreement borrowing base, percentage of value of eligible accounts receivable	85.00%
2011 Loan Agreement borrowing base, percentage of value of eligible inventory	65.00%
Description of the loan converted		Portions of the loan may be converted to LIBOR loans in minimum amounts of $1,000 and integral multiples of $100.
Description of interest rate		LIBOR loans bear interest at the British Bankers Association LIBOR Rate plus 125 to 200 basis points based on availability, and loans not converted to LIBOR loans bear interest at a fluctuating rate equal to the greatest of the agent’s prime rate, the federal funds rate plus 50 basis points, or 30-day LIBOR plus 150 basis points.
Line of Credit Facility, Commitment Fee Description		Unused commitment fees are 25 or 30 basis points, depending on the amount of the unused commitment.
Line of Credit Facility, Expiration Date	Sep. 30, 2016