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Organization and Summary of Significant Accounting Policies - Net Sales by Geographic Area (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Segment Reporting Information [Line Items]    
Net sales by Geographic Area $ 44,762us-gaap_SalesRevenueNet $ 36,185us-gaap_SalesRevenueNet
Percentage of Net sales by Geographic Area 100.00%tasr_PercentageOfSalesByGeographicArea 100.00%tasr_PercentageOfSalesByGeographicArea
United States    
Segment Reporting Information [Line Items]    
Net sales by Geographic Area 35,501us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_DomesticCountryMember		 25,576us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_DomesticCountryMember
Percentage of Net sales by Geographic Area 79.30%tasr_PercentageOfSalesByGeographicArea
/ us-gaap_StatementGeographicalAxis
= us-gaap_DomesticCountryMember		 70.70%tasr_PercentageOfSalesByGeographicArea
/ us-gaap_StatementGeographicalAxis
= us-gaap_DomesticCountryMember
Other Countries    
Segment Reporting Information [Line Items]    
Net sales by Geographic Area $ 9,261us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_ForeignCountryMember		 $ 10,609us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_ForeignCountryMember
Percentage of Net sales by Geographic Area 20.70%tasr_PercentageOfSalesByGeographicArea
/ us-gaap_StatementGeographicalAxis
= us-gaap_ForeignCountryMember		 29.30%tasr_PercentageOfSalesByGeographicArea
/ us-gaap_StatementGeographicalAxis
= us-gaap_ForeignCountryMember