Note 10 - Segment Reporting (Tables)

9 Months Ended

Sep. 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	$	19,589	$	5,155		$	—		$	24,744
Depreciation and amortization (1)		360		382			—			742
Interest expense		59		7			66			132
Profit (loss) from operations		1,851		(2,162	)		(1,173	)		(1,484	)
Segment assets		49,260		25,999			3,698			78,957
Other intangible assets, net		8,689		5,708			—			14,397
Goodwill		13,089		3,154			—			16,243
Expenditures for long-lived assets (2)		139		17			—			156

(in thousands)	Power and Electro- Mechanical		Energy			Other			Total
Revenues from external customers	$	56,929	$	12,908		$	—		$	69,837
Depreciation and amortization (1)		1,100		1,145			—			2,245
Interest expense		165		13			192			370
Profit (loss) from operations		3,822		(9,586	)		(3,668	)		(9,432	)
Segment assets		49,260		25,999			3,698			78,957
Other intangible assets, net		8,689		5,708			—			14,397
Goodwill		13,089		3,154			—			16,243
Expenditures for segment assets (2)		808		184			—			992

(in thousands)	Power and Electro- Mechanical		Energy			Other			Total
Revenues from external customers	$	16,700	$	5,096		$	—		$	21,796
Depreciation and amortization (1)		363		342			—			705
Interest expense		75		1			61			137
Profit (loss) from operations		890		(1,660	)		(1,249	)		(2,019	)
Segment assets		49,377		29,495			705			79,577
Other intangibles assets, net		8,979		6,873			—			15,852
Goodwill		13,092		7,645			—			20,737
Expenditures for segment assets (2)		157		114			—			271

(in thousands)	Power and Electro- Mechanical		Energy			Other			Total
Revenues from external customers	$	48,542	$	13,599		$	—		$	62,141
Depreciation and amortization (1)		1,139		993			—			2,132
Interest expense		187		3			184			374
Profit (loss) from operations		1,984		(5,924	)		(3,739	)		(7,679	)
Segment assets		49,377		29,495			705			79,577
Other intangibles assets, net		8,979		6,873			—			15,852
Goodwill		13,092		7,645			—			20,737
Expenditures for segment assets (2)		786		297			—			1,083

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

(dollars in thousands)	For the Three Months Ended September 30,
	2018					2017
	Amount		%			Amount		%
USA	$	15,359		62	%	$	13,631		62	%
United Kingdom		3,811		15	%		3,634		17	%
All Others		5,574		23	%		4,531		21	%
Total	$	24,744		100	%	$	21,796		100	%

(dollars in thousands)	For the Nine Months Ended September 30,
	2018					2017
	Amount		%			Amount		%
USA	$	44,436		64	%	$	38,209		61	%
United Kingdom		9,205		13	%		10,434		17	%
All Others		16,196		23	%		13,498		22	%
Total	$	69,837		100	%	$	62,141		100	%