Selected Quarterly Financial Data (Unaudited) (Details Textual) (USD $)	3 Months Ended			12 Months Ended			3 Months Ended	12 Months Ended	3 Months Ended
	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011 AXON [Member]	Dec. 31, 2011 AXON [Member]	Jun. 30, 2011 Protector Product Line [Member]	Jun. 30, 2011 EVIDENCE.Com [Member]
Selected quarterly financial data (Textual) [Abstract]
Reversal of litigation judgment reserve	$ 2,200,000
Impairment of the protector product line					1,353,857				1,400,000
Losses on disposal of property and equipment				(160,506)	(2,800,396)	(73,061)				800,000
Litigation judgment			3,300,000	(2,200,000)	3,301,243
Excess inventory charges					3,700,000		3,700,000	2,000,000
Impairment charge		$ 2,000,000