Borrowing Arrangements (Details) (USD $)	6 Months Ended
	Jun. 30, 2014
Borrowing Arrangements (Additional Textual) [Abstract]
Line of credit available for general working capital needs	$ 5,000,000
Letter of credit sub-facility	5,000,000
Foreign exchange sub-facility	2,000,000
Line of Credit Facility, Interest Rate Description	Interest rates under the facility are based on one of three interest rates, at the Company’s option: (1) a variable alternate base rate plus 1.0%, the alternate base rate being the greater of (x) Bank of the West’s prime rate, (y) the Fed Funds Rate plus 0.5% or (z) daily adjusted one-month LIBOR plus 1.0%; (2) floating one-month LIBOR plus 2.0% or (3) fixed LIBOR for one, two, three or six month periods, plus 2.0%.
Amount outstanding on the line of credit	0
Letter of Credit [Member]
Borrowing Arrangements (Additional Textual) [Abstract]
Letters of credit, outstanding	$ 300,000