Commitments and Contingencies - Summary of Cases Dismissed or Judgment Entered (Detail)	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013
Glowczenski [Member]
Loss Contingencies [Line Items]
Plaintiff	Glowczenski	Glowczenski
Month Served	Oct-04	Oct-04
Jurisdiction	US District Court, ED NY	US District Court, ED NY
Claim Type	Wrongful Death	Wrongful death
Status	Court granted Motion for Summary Judgment in favor of TASER	Notice of Appeal filed Septemebr 2013; opening brief is due January 2014
McCarthy [Member]
Loss Contingencies [Line Items]
Plaintiff	McCarthy
Month Served	Dec-12
Jurisdiction	US District Court, WD NC
Claim Type	Wrongful Death
Status	Voluntary Dismissal
Piskura [Member]
Loss Contingencies [Line Items]
Plaintiff	Piskura
Month Served	May-10
Jurisdiction	US District Court, OH
Claim Type	Wrongful Death
Status	Voluntary Dismissal