Summary of Significant Accounting Policies (Details Textual) (USD $) In Thousands, unless otherwise specified	12 Months Ended			7 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Net sales to SANG	Dec. 31, 2012 Net sales to SANG Defense Products	Dec. 31, 2012 Net sales to SANG Sevices
Accounting Policies [Line Items]
Contract amount				$ 35,600	$ 21,200	$ 14,400
Contracts revenue				19,600
Concentration of Credit Risk and Single Source Suppliers
Marketable securities	46,386	29,307
Advertising Costs
Advertising expense	3,189	2,523	2,081
Foreign Currency Translation
Foreign currency transaction gain (loss), before tax	$ 123	$ 37	$ 79