CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data	3 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
NET SALES	$ 5,950	$ 3,856
COST OF SALES	3,846	2,197
Gross Profit	2,104	1,659
OPERATING EXPENSES:
General and administrative	948	763
Sales and marketing	567	383
Research and development	71	84
Loss on disposal of equipment and leasehold improvements	2
Total operating expenses	1,588	1,230
Income from operations	516	429
Interest expense, net	(14)	(20)
Income before income taxes	502	409
PROVISION FOR INCOME TAXES	16	10
NET INCOME	$ 486	$ 399
NET INCOME PER SHARE:
Basic (in dollars per share)	$ 0.09	$ 0.08
Diluted (in dollars per share)	$ 0.09	$ 0.07
SHARES USED IN CALCULATION OF NET INCOME PER SHARE:
Basic (in shares)	5,395	5,253
Diluted (in shares)	5,460	5,321