Condensed Statements of Cash Flows (USD $)	6 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities:
Net loss	$ (616,728)	$ (361,247)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	195,361	229,972
Share-based compensation expense	29,936	28,071
Provision for doubtful accounts, net		(4,000)
Provision for inventory obsolescence, net	86,501	9,000
Change in operating assets and liabilities:
Accounts receivable	73,019	(41,145)
Inventories	20,636	129,317
Prepaid expenses and other assets	(143,502)	(69,598)
Accounts payable	(121,296)	(211,738)
Accrued compensation and other accrued liabilities	(126,664)	(153,485)
Net cash (used in) operating activities	(602,737)	(444,853)
Cash flows from investing activities:
Acquisition of property and equipment	(21,918)	(135,009)
Patent costs	(26,030)	(29,171)
Net cash (used in) investing activities	(47,948)	(164,180)
Cash flows from financing activities:
Borrowings from credit facility		534,192
Net cash provided by financing activities		534,192
Net decrease in cash and cash equivalents	(650,685)	(74,841)
Cash and cash equivalents, beginning of period	1,689,580	126,224
Cash and cash equivalents, end of period	$ 1,038,895	$ 51,383