Discontinued Operations - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Sales of Products	$ 511,861	$ 590,686	$ 1,120,521	$ 1,504,627
Net Gain of Sale of Asset			5,902,663
Which was paid at closing
Sales of Products			8,374,900
Which will be received only if TDG achieves certain quarterly and annual revenue targets from sales of goods and services to military, defense and security organizations
Sales of Products			$ 2,500,000