Segment Information (Tables)

9 Months Ended

Mar. 31, 2014

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 nine month periods ended March 31, 2014 and 2013:

					Seismic				Corporate
	Seismic		Underwater		Energy		Underwater		Headquarters
	Energy		Cables &		Source		Robotic		&
	Sources		Connectors		Controllers		Vehicles		Eliminations		Consolidated
Nine Months Ended March 31, 2014
Sales to external customers	$	18,947,000	$	13,355,000	$	3,801,000	$	17,565,000	$	—	$	53,668,000
Intersegment sales		926,000		321,000		739,000		—		(1,986,000)		—
Depreciation and amortization		215,000		232,000		56,000		705,000		14,000		1,222,000
Income (loss) before income taxes		5,067,000		5,271,000		1,842,000		3,152,000		(2,862,000)		12,470,000
Fixed asset additions		336,000		647,000		109,000		138,000		—		1,230,000
Three Months Ended March 31, 2014
Sales to external customers	$	4,786,000	$	3,761,000	$	755,000	$	6,414,000	$	—	$	15,716,000
Intersegment sales		199,000		67,000		198,000		—		(464,000)		—
Depreciation and amortization		77,000		81,000		20,000		237,000		4,000		419,000
Income (loss) before income taxes		810,000		1,529,000		270,000		2,022,000		(1,007,000)		3,624,000
Fixed asset additions		220,000		43,000		29,000		85,000		—		377,000
Balance Sheet Data at March 31, 2014
Segment assets	$	18,294,000	$	16,230,000	$	6,110,000	$	23,485,000	$	18,894,000	$	83,013,000
Goodwill		—		7,679,000		3,278,000		6,270,000		—		17,227,000
Other intangible assets		117,000		—		304,000		5,954,000		—		6,375,000
Nine Months Ended March 31, 2013
Sales to external customers	$	17,263,000	$	11,964,000	$	1,845,000	$	8,849,000	$	—	$	39,921,000
Intersegment sales		—		269,000		447,000		—		(716,000)		—
Depreciation and amortization		150,000		220,000		181,000		688,000		14,000		1,253,000
Income (loss) before income taxes		3,918,000		4,538,000		561,000		796,000		(2,711,000)		7,102,000
Fixed asset additions		58,000		391,000		2,000		105,000		—		556,000
Three Months Ended March 31, 2013
Sales to external customers	$	4,687,000	$	3,845,000	$	252,000	$	2,459,000	$	—	$	11,243,000
Intersegment sales		—		111,000		211,000		—		(322,000)		—
Depreciation and amortization		49,000		75,000		42,000		231,000		5,000		402,000
Income (loss) before income taxes		1,371,000		1,478,000		(1,000)		13,000		(884,000)		1,977,000
Fixed asset additions		4,000		28,000		—		70,000		—		102,000
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