CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
NET SALES	$ 6,909	$ 6,506
COST OF SALES	4,057	3,932
Gross Profit	2,852	2,574
OPERATING EXPENSES:
General and administrative	1,556	1,148
Sales and marketing	1,004	838
Research and development	115	51
Loss on disposal of equipment and leasehold improvements	5	22
Total operating expenses	2,680	2,059
Income from operations	172	515
Interest expense, net	36	12
Income before provision for income taxes	136	503
PROVISION FOR INCOME TAXES	106	10
NET INCOME	$ 30	$ 493
NET INCOME PER SHARE:
Basic (in dollars per share)	$ 0.01	$ 0.09
Diluted (in dollars per share)	$ 0.01	$ 0.08
SHARES USED IN CALCULATION OF NET INCOME PER SHARE:
Basic (in shares)	5,464	5,441
Diluted (in shares)	5,615	5,873