Note 7 - Segment Information (Tables)

3 Months Ended

Dec. 31, 2012

Operating Segment Information [Member]

Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]

				Service and System Integration Segment
For the Three Months Ended December 31,	Systems Segment			Germany			United Kingdom		U.S.		Total		Consolidated Total
	(Amounts in thousands)
2012
Sales:
Product	$	96		$	2,064		$	154	$	12,991	$	15,209	$	15,305
Service		957			3,204			302		1,102		4,608		5,565
Total sales		1,053			5,268			456		14,093		19,817		20,870
Profit (loss) from operations		(373	)		(147	)		—		693		546		173
Assets		16,914			13,527			3,524		16,849		33,900		50,814
Capital expenditures		41			55			3		36		94		135
Depreciation and amortization		37			42			5		39		86		123
2011
Sales:
Product	$	1,239		$	3,851		$	353	$	9,711	$	13,915	$	15,154
Service		1,107			3,587			316		929		4,832		5,939
Total sales		2,346			7,438			669		10,640		18,747		21,093
Profit from operations		12			275			26		451		752		764
Assets		13,214			16,212			3,727		11,660		31,599		44,813
Capital expenditures		29			26			19		11		56		85
Depreciation and amortization		23			39			7		41		87		110

Revenues in Excess of 10 Percent of Total Revenues [Member]

Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]

	For the three months ended
	December 31, 2012					December 31, 2011
	Amount		% of Revenues			Amount		% of Revenues
Customer A	$	5.1		24	%	$	5.2		25	%
Customer B	$	2.6		12	%	$	4.5		21	%