Selected Quarterly Financial Data (unaudited)

12 Months Ended

Dec. 31, 2011

Selected Quarterly Financial Data (unaudited) [Abstract]

Selected Quarterly Financial Data (unaudited)

16. Selected Quarterly Financial Data (unaudited)

Selected quarterly financial data for years ended December 31, 2011 and 2010 follows:

		September 30,		September 30,			September 30,		September 30,
	Quarter Ended
	March 31,		June 30,			September 30,		December 31,
	2011		2011			2011		2011
Net sales	$	23,116,949	$	21,198,055		$	24,383,110	$	21,329,792
Gross margin		12,208,863	$	12,241,693			13,103,608		6,975,073
Net income (loss)		19,732		(2,294,832	)		1,136,285		(5,901,051	)
Basic net income (loss) per share	$	0.00	$	(0.04	)	$	0.02	$	(0.11	)
Diluted net income (loss) per share		0.00		(0.04	)		0.02		(0.11	)

		September 30,			September 30,			September 30,			September 30,
	Quarter Ended
	March 31,			June 30,			September 30,			December 31,
	2010			2010			2010			2010
Net sales	$	23,843,901		$	19,120,525		$	21,084,081		$	22,881,512
Gross margin		13,490,421			9,630,710			10,415,682			11,830,062
Net loss		(492,605	)		(1,359,389	)		(2,335,478	)		(196,963	)
Basic net loss per share	$	(0.01	)	$	(0.02	)	$	(0.04	)	$	0.00
Diluted net loss per share		(0.01	)		(0.02	)		(0.04	)		0.00

The Company has determined that it is impracticable to break out the segment data for the unaudited quarterly data.

The following significant and infrequent charges were incurred during 2011:

• Impairment of the Protector product line for $1.4 million, incurred during the second quarter of 2011

• Losses on disposal of property and equipment of $0.8 million, related to surplus EVIDENCE.COM equipment and billing software, incurred in the second quarter of 2011.

• A litigation judgment reserve for $3.3 million, incurred during the third quarter of 2011.

• Excess inventory charges for the TASER X3 and first generation AXON product lines of $3.7 million, and impairment of associated tooling equipment of $2.0 million, incurred during the fourth quarter of 2011.