Note 8 - Industry Segments (Details) - Industry Segments – Operating Information (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Segment Reporting Information [Line Items]
Revenue	$ 3,695	$ 4,166	$ 7,365	$ 8,252	$ 8,252
Operating income (loss)	(254)	338	(1,019)	253	253
Corporate expenses	665	583	1,584	1,313
Capital expenditures	45	124	130	303	303
Depreciation and amortization	93	102	183	219	219
Information Technology [Member]
Segment Reporting Information [Line Items]
Revenue	970	1,181	2,076		2,018
Operating income (loss)	(598)	(194)	(966)		(703)
Capital expenditures	29	43	58		82
Depreciation and amortization	31	71	93		100
Industrial Products [Member]
Segment Reporting Information [Line Items]
Revenue	2,725	2,985	5,289		6,234
Operating income (loss)	643	853	690		1,740
Capital expenditures	14	50	37		200
Depreciation and amortization	63	56	122		131
Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating income (loss)	45	659	(276)		1,037
Capital expenditures	45	121	130		300
Depreciation and amortization	92	99	180		213
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Corporate expenses	(299)	(321)	(743)		(784)
Capital expenditures		3			3
Depreciation and amortization	$ 1	$ 3	$ 3		$ 6