Note 10 - Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

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

(in thousands)	Power and Electro- Mechanical		Energy			Other			Total
Revenues from external customers	$	20,320	$	2,807		$	—		$	23,127
Depreciation and amortization (1)		376		397			—			773
Interest expense		53		5			66			124
Profit (loss) from operations		1,962		(4,900	)		(1,231	)		(4,169	)
Segment assets		50,194		25,005			6,318			81,517
Other intangible assets, net		8,757		6,094			—			14,851
Goodwill		13,091		3,197			—			16,288
Expenditures for long-lived assets (2)		350		93			—			443

(in thousands)	Power and Electro- Mechanical		Energy			Other			Total
Revenues from external customers	$	37,340	$	7,753		$	—		$	45,093
Depreciation and amortization (1)		741		762			—			1,503
Interest expense		106		7			125			238
Profit (loss) from operations		1,971		(7,425	)		(2,494	)		(7,948	)
Segment assets		50,194		25,005			6,318			81,517
Other intangible assets, net		8,757		6,094			—			14,851
Goodwill		13,091		3,197			—			16,288
Expenditures for segment assets (2)		670		166			—			836

(in thousands)	Power and Electro- Mechanical		Energy			Other			Total
Revenues from external customers	$	18,180	$	4,320		$	—		$	22,500
Depreciation and amortization (1)		394		333			—			727
Interest expense		59		1			61			121
Profit (loss) from operations		1,629		(2,001	)		(1,278	)		(1,650	)
Segment assets		49,385		29,973			348			79,706
Other intangibles assets, net		9,093		6,866			—			15,959
Goodwill		13,090		7,422			—			20,512
Expenditures for segment assets (2)		425		118			—			543

(in thousands)	Power and Electro- Mechanical		Energy			Other			Total
Revenues from external customers	$	31,842	$	8,503		$	—		$	40,345
Depreciation and amortization (1)		775		652			—			1,427
Interest expense		113		1			123			237
Profit (loss) from operations		1,095		(4,265	)		(2,490	)		(5,660	)
Segment assets		49,385		29,973			348			79,706
Other intangibles assets, net		9,093		6,866			—			15,959
Goodwill		13,090		7,422			—			20,512
Expenditures for segment assets (2)		629		183			—			812

Revenue from External Customers by Geographic Areas [Table Text Block]

(dollars in thousands)	For the Three Months Ended June 30,
	2018					2017
	Amount		%			Amount		%
USA	$	15,269		66	%	$	14,465		64	%
United Kingdom		2,034		9	%		3,717		17	%
All Others		5,824		25	%		4,318		19	%
Total	$	23,127		100	%	$	22,500		100	%

(dollars in thousands)	For the Six Months Ended June 30,
	2018					2017
	Amount		%			Amount		%
USA	$	29,076		64	%	$	24,578		61	%
United Kingdom		5,394		12	%		6,800		17	%
All Others		10,623		24	%		8,967		22	%
Total	$	45,093		100	%	$	40,345		100	%