CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
NET SALES	$ 5,989	$ 3,834	$ 11,939	$ 7,690
COST OF SALES	3,199	2,182	7,045	4,379
Gross profit	2,790	1,652	4,894	3,311
OPERATING EXPENSES:
General and administrative	1,117	643	2,065	1,406
Sales and marketing	609	393	1,176	776
Research and development	89	62	160	146
Loss on disposal of equipment and leasehold improvements	62		64
Total operating expenses	1,877	1,098	3,465	2,328
Income from operations	913	554	1,429	983
Interest expense, net	(10)	(18)	(24)	(38)
Income before provision for income taxes	903	536	1,405	945
PROVISION FOR INCOME TAXES	28	10	44	20
NET INCOME	$ 875	$ 526	$ 1,361	$ 925
NET INCOME PER SHARE:
Basic (in dollars per share)	$ 0.16	$ 0.10	$ 0.25	$ 0.17
Diluted (in dollars per share)	$ 0.16	$ 0.10	$ 0.25	$ 0.17
SHARES USED IN CALCULATION OF NET INCOME PER SHARE:
Basic (in shares)	5,398	5,374	5,397	5,314
Diluted (in shares)	5,473	5,390	5,471	5,333