Inventory (Details Textual) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2011
Inventory (Textual) [Abstract]
Excess inventory charges		$ 3,700,000
AXON [Member]
Inventory (Textual) [Abstract]
Excess inventory charges	3,700,000	2,000,000
TASER X3 CEW [Member]
Inventory (Textual) [Abstract]
Excess inventory charges		$ 1,700,000