DELAWARE ECONOMIC DEVELOPMENT AUTHORITY LOAN (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended				1 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2010	Dec. 31, 2013 Zero Percent Interest Note [Member]	Feb. 28, 2013 Tranche 1 [Member]	Oct. 31, 2013 Tranche 2 [Member]
Debt Instrument [Line Items]
Delaware Economic Development Authority loan	$ 12,000	$ 20,000	$ 20,000
Debt fixed interest rate				0.00%
Annual conversion of loan to grant	4,000
Term of loan conversion	5 years
Minimum man hours of labor utilized	600000 hours
Minimum qualified capital expenditures	125,000
Amount of loan converted during period					4,000	4,000
Aggregate amount of loan converted	$ 8,000