Segment Information (Tables)

6 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

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

The following table provides selected financial information for each reportable segment for the three month and six month periods ended December 31, 2013 and 2012:

					Seismic				Corporate
	Seismic		Underwater		Energy		Underwater		Headquarters
	Energy		Cables &		Source		Robotic		&
	Sources		Connectors		Controllers		Vehicles		Eliminations		Consolidated
Six Months Ended December 31, 2013
Sales to external customers	$	14,161,000	$	9,594,000	$	3,046,000	$	11,151,000	$	—	$	37,952,000
Intersegment sales		727,000		254,000		541,000		—		(1,522,000)		—
Depreciation and amortization		138,000		151,000		36,000		468,000		10,000		803,000
Income (loss) before income taxes		4,257,000		3,742,000		1,572,000		1,130,000		(1,855,000)		8,846,000
Fixed asset additions		116,000		604,000		80,000		53,000		—		853,000
Three Months Ended December 31, 2013
Sales to external customers	$	7,883,000	$	4,448,000	$	1,384,000	$	8,029,000	$	—	$	21,744,000
Intersegment sales		347,000		77,000		250,000		—		(674,000)		—
Depreciation and amortization		69,000		76,000		19,000		234,000		5,000		403,000
Income (loss) before income taxes		2,978,000		1,613,000		701,000		910,000		(884,000)		5,318,000
Fixed asset additions		19,000		575,000		29,000		49,000		—		672,000
Balance Sheet Data at December 31, 2013
Segment assets	$	21,545,000	$	17,793,000	$	6,613,000	$	25,000,000	$	18,063,000	$	89,014,000
Goodwill		—		7,679,000		3,278,000		6,270,000		—		17,227,000
Other intangible assets		117,000		—		311,000		6,150,000		—		6,578,000
Six Months Ended December 31, 2012
Sales to external customers	$	12,576,000	$	8,119,000	$	1,593,000	$	6,390,000	$	—	$	28,678,000
Intersegment sales		—		158,000		263,000		—		(394,000)		—
Depreciation and amortization		101,000		145,000		139,000		457,000		9,000		851,000
Income (loss) before income taxes		2,547,000		3,060,000		562,000		783,000		(1,827,000)		5,125,000
Fixed asset additions		54,000		363,000		2,000		35,000		—		454,000
Three Months Ended December 31, 2012
Sales to external customers	$	7,169,000	$	3,764,000	$	711,000	$	2,766,000	$	—	$	14,410,000
Intersegment sales		—		109,000		134,000		—		(243,000)		—
Depreciation and amortization		50,000		75,000		70,000		229,000		4,000		428,000
Income (loss) before income taxes		1,788,000		1,239,000		191,000		89,000		(803,000)		2,504,000
Fixed asset additions		18,000		32,000		2,000		(4,000)		—		48,000
Balance Sheet Data at June 30, 2013
Segment assets	$	23,140,000	$	18,757,000	$	5,716,000	$	22,724,000	$	12,749,000	$	83,086,000
Goodwill		—		7,679,000		3,278,000		6,270,000		—		17,227,000
Other intangible assets		100,000		—		325,000		6,542,000		—		6,967,000