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BUSINESS SEGMENT AND GEOGRAPHIC INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues
Revenues	$ 5,360	$ 3,877	$ 8,378	$ 10,122
Depreciation and Amortization	88	480	172	966
Operating Income	(1,550)	(1,558)	(2,993)	(2,697)
T And D Segment [Member]
Revenues
Switchgear	2,737	883	3,810	4,585
Revenues	2,737	883	3,810	4,585
Depreciation and Amortization	37	90	71	181
Operating Income	(542)	(719)	(775)	(565)
Critical Power Segment [Member]
Revenues
Equipment	267	402	441	784
Service	2,356	2,592	4,127	4,753
Revenues	2,623	2,994	4,568	5,537
Depreciation and Amortization	37	374	73	753
Operating Income	252	(234)	(148)	(673)
Unallocated Corporate Overhead Expenses [Member]
Revenues
Depreciation and Amortization	14	16	28	32
Operating Income	$ (1,260)	$ (605)	$ (2,070)	$ (1,459)

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