Condensed Statements of Cash Flows - USD ($)	9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities:
Net loss	$ (597,536)	$ (1,033,575)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	243,867	293,726
Share-based compensation expense	56,396	46,954
(Recovery) provision for doubtful accounts, net	(4,500)	5,000
Provision for inventory obsolescence, net	40,762	116,501
Change in operating assets and liabilities:
Accounts receivable	107,910	(155,494)
Inventories	295,958	19,942
Prepaid expenses and other assets	(16,996)	(150,521)
Accounts payable	(232,709)	(84,810)
Accrued compensation and other accrued liabilities	(160,351)	(93,002)
Net cash (used in) operating activities	(267,199)	(1,035,279)
Cash flows from investing activities:
Acquisition of property and equipment	(36,104)	(20,300)
Patent costs	(20,125)	(29,199)
Net cash (used in) investing activities	(56,229)	(49,499)
Cash flows from financing activities:
Borrowings from credit facility	171,986	83,500
Net cash provided by financing activities	171,986	83,500
Net decrease in cash and cash equivalents	(151,442)	(1,001,278)
Cash and cash equivalents, beginning of period	258,656	1,689,580
Cash and cash equivalents, end of period	$ 107,214	$ 688,302