Note 12 - Segment Information (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

Reconciliation of Revenue from Segments to Consolidated [Table Text Block]

	Three Months Ended June 30 ,				Six Months Ended June 30 ,
	2017		2016		2017		2016
Revenue
Power Supplies	$	1,422	$	1,255	$	3,113	$	2,604
Storage:
Product		446		653		867		981
Service		399		462		726		935
Total storage	$	845	$	1,115	$	1,593	$	1,916
Revenue	$	2,267	$	2,370	$	4,706	$	4,520

Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]

	Three Months Ended June 30 ,					Six Months Ended June 30 ,
	2017		2016			2017		2016
Income (loss) before Taxes
Power Supplies	$	13	$	(333	)	$	40	$	(458	)
Storage		46		(3	)		77		(292	)
Income (loss) before taxes	$	59	$	(336	)	$	117	$	(750	)

Reconciliation of Assets from Segment to Consolidated [Table Text Block]

	June 30, 2017		December 31 , 2016
Total Assets	(unaudited)
Cash and cash equivalents	$	4,457	$	3,691
Restricted cash		100		100
Other assets:
Power Supplies
Accounts receivable, net		875		1,158
Inventories, net		433		444
Property and equipment, net		32		35
Other assets		41		39
		1,381		1,676
Storage
Accounts receivable, net		495		425
Inventories, net		677		916
Property and equipment, net		168		251
Other assets		129		204
		1,469		1,796
Total Assets	$	7,407	$	7,263