Organization and Summary of Significant Accounting Policies (Details Textual) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2012 Segment	Dec. 31, 2011	Dec. 31, 2010
The Company and Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Impairment charge	$ 2,000,000
Impairment charge of long-lived assets		0		0
Warranty period		1 year
Standard Warranty Period		1 year
Percentage of net sale represented		10.00%	10.00%	10.00%
Previous warranty period after purchase of product		90 days
The Company and Summary of Significant Accounting Policies (Textual) [Abstract]
After sales service minimum period				1 year
After sales service maximum period				5 years
Extended warranty period		4 years
Customer credit range, for beginning period		300
Customer credit range, for end period		160
Note receivable in term		5 years
Accounts and notes receivable related to purchases		3,100,000
Company receive payment		30 days
Advertising Cost		200,000	300,000	700,000
Research and development costs		8,139,359	9,989,219	11,411,889
Minimum Percentage of tax benefit to be realized upon final settlement		50.00%
Accounts receivable are presented net of an allowance for doubtful accounts	500,000	200,000	500,000
Reserve for bad debt expense			300,000
Maximum percentage of total sales represented by one customer		12.80%	12.70%	10.00%
Accounts and notes receivable by customers one		17.20%	12.90%
Accounts and notes receivable by customers two			12.50%
Aggregate balances in accounts		36,100,000
Number of depository institutions		3
Number of reportable segment of company		2
Options awarded		0
Implied volatility period of publicly traded options		1 year
Extended product warranty [Member]
The Company and Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Deferred revenue	7,200,000	10,800,000	7,200,000
X26 Or X3 [Member]
The Company and Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Credit issued under trade in program and offset with accounts receivables				100,000
TASER X2 [Member]
The Company and Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Credit issued under trade in program and offset with accounts receivables	2,100,000	3,500,000	2,100,000
Credit pending under trade in program and offset with accounts receivables	1,100,000	600,000	1,100,000
TASER C2 [Member]
The Company and Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Standard Warranty Period		1 year
Previous warranty period after purchase of product		90 days
EVIDENCE.Com [Member]
The Company and Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Capitalized software development costs		0	0	3,700,000
Amortization of capitalized software development costs		1,200,000	1,300,000	600,000
Remaining amortized period relating to capitalized software development costs		6 months
Deferred revenue	300,000	1,300,000	300,000
TASER [Member]
The Company and Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Capitalized software development costs				800,000
Protector Product Line [Member]
The Company and Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Impairment charge			1,400,000
Impairment charge of long-lived assets			$ 2,800,000
CEW [Member]
The Company and Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Standard Warranty Period		1 year
Headcam [Member]
The Company and Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Standard Warranty Period		1 year