Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities
Net loss	$ (1,011,000)	$ (1,812,000)
Adjustments to reconcile net loss to net cash flows used in operating activities:
Depreciation	188,000	197,000
Amoritization of deferred financing costs	7,000	18,000
Loss on extinguishment of promissory note		151,000
Impairment of long-lived assets	0	16,000
Provision for inventory reserve	33,000	44,000
Stock-based compensation	33,000	45,000
Changes in assets and liabilities:
(Increase) decrease in accounts receivable-trade	4,000	(80,000)
(Increase) decrease in accounts receivable-other	(66,000)	(58,000)
(Increase) decrease in inventories	60,000	5,000
(Increase) decrease in prepaid expenses and other current assets	234,000	(173,000)
Increase (decrease) in accounts payable	86,000	(108,000)
Increase (decrease) in accrued expenses	(44,000)	11,000
Increase (decrease) in deferred revenue	(8,000)	(8,000)
Net cash flows provided by (used in) operating activities	(484,000)	(1,752,000)
Cash flows from investing activities
Increase in other assets	(10,000)
Net cash flows provided by (used in) investing activities	(10,000)
Cash flows from financing activities
Issuance of common stock		7,000
Proceeds from financing obligation		2,000,000
Principal repayment of financing obligation		(14,000)
Increase (decrease) in interest on financing obligation	53,000	35,000
Deferred financing costs		(170,000)
Related party payable	60,000
Proceeds from issuance of promissory note		800,000
Repayment of promissory note		(800,000)
Prepayment penalty on promissory note		(99,000)
Net cash flows provided by (used in) financing activities	113,000	1,759,000
Net change in cash	(381,000)	7,000
Cash at beginning of period	484,000	477,000
Cash at end of period	103,000	484,000
Supplemental disclosures of cash flow information
Interest paid	$ 280,000	$ 56,000