CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) [Abstract]
Net sales	$ 4,967,621	$ 3,244,823	$ 9,620,743	$ 6,280,322
Cost of goods sold	759,336	594,469	1,468,901	1,105,165
Gross profit	4,208,285	2,650,354	8,151,842	5,175,157
Operating expenses
General and administrative	942,557	897,368	1,964,415	1,747,877
Research and development	456,871	472,008	912,631	872,637
Selling and marketing	3,869,875	2,017,420	7,464,017	4,005,946
Amortization	214,056	210,682	426,371	421,450
Total operating expenses	5,483,359	3,597,478	10,767,434	7,047,910
Operating loss	(1,275,074)	(947,124)	(2,615,592)	(1,872,753)
Other income (expense)
Interest income	13,716	17,999	31,550	31,627
Interest expense	(57)	(1,938)	(57)	(3,885)
Foreign currency exchange gain (loss)	(8,587)	10,574	(3,279)	12,364
Total other income (expense)	5,072	26,635	28,214	40,106
Loss before income taxes	(1,270,002)	(920,489)	(2,587,378)	(1,832,647)
Income tax expense	8,485	2,183	22,416	19,333
Net loss	$ (1,278,487)	$ (922,672)	$ (2,609,794)	$ (1,851,980)
Basic and diluted loss per common share	$ (0.06)	$ (0.05)	$ (0.13)	$ (0.11)
Weighted average common shares outstanding:
Basic and diluted	20,689,000	19,088,000	20,689,000	19,088,000