Statements of Operations (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2014	Jan. 31, 2013
Income Statement [Abstract]
Net Sales	$ 273,017	$ 309,912	$ 942,491	$ 951,101
Cost of Sales	100,835	95,642	306,931	273,983
Gross Profit	172,182	214,270	635,560	677,118
Operating Expenses
Marketing	46,926	53,614	143,365	155,933
General and administrative	87,561	94,182	307,955	311,167
Research and development	39,896	36,911	109,891	92,710
Total Operating Expenses	174,383	184,707	561,211	559,810
Income from Operations	(2,201)	29,563	74,349	117,308
Other Income
Interest income	137	229	460	765
Other income	480	480	1,440	1,440
Total Other Income	617	709	1,900	2,205
Net income (loss) before income taxes	(1,584)	30,272	76,249	119,513
Provision for income taxes	1,512	10,208	25,284	40,300
Net Income (loss)	$ (3,096)	$ 20,064	$ 50,965	$ 79,213
Weighted-Average common stock outstanding-basic and diluted	14,935,511	14,935,511	14,935,511	14,935,511