Note 2 - Segment Information (Tables)

12 Months Ended

Mar. 31, 2014

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

Fiscal Year Ended March 31,	Medical			Industrial			Adjustments*			Consolidated
2014
Net sales	$	14,133		$	2,975		$	-		$	17,108
Gross profit		3,469			1,029			-			4,498
Operating loss		(7,435	)		(9	)		-			(7,444	)
Depreciation and amortization		684			11			-			695
Assets		11,243			1,775			(2,185	)		10,833
Expenditures for fixed assets		53			-			-			53
2013
Net sales	$	11,630		$	3,657		$	-		$	15,287
Gross profit		3,102			1,240			-			4,342
Operating loss		(8,381	)		(96	)		-			(8,477	)
Depreciation and amortization		772			23			-			795
Assets		11,833			1,466			(1,922	)		11,377
Expenditures for fixed assets		95			-			-			95

Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Table Text Block]

	March 31,
*Adjustments	2014			2013
Intercompany eliminations	$	(1,499	)	$	(1,236	)
Investment in subsidiaries		(686	)		(686	)
Total adjustments	$	(2,185	)	$	(1,922	)

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

	Fiscal Year Ended March 31,
	2014			2013
Operating loss	$	(7,444	)	$	(8,477	)
Interest expense, net		(191	)		(499	)
Debt cost expense		(43	)		(272	)
Loss on extinguishment of debt		-			(1,244	)
Other, net		(24	)		(53	)
Loss before provision for income taxes	$	(7,702	)	$	(10,545	)

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

	Fiscal Year Ended March 31,
	2014				2013
United States	$	11,435	67	%	$	10,296	67	%
Europe		4,642	27	%		3,527	23	%
Asia and Australia		349	2	%		345	2	%
Canada		274	2	%		471	3	%
Middle East and Africa		254	1	%		468	3	%
Central and South America		154	1	%		180	2	%
Net sales	$	17,108	100	%	$	15,287	100	%