Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Mar. 31, 2015

Goodwill and Other Intangible Assets [Abstract]

Schedule of other intangible assets

Other intangible assets consisted of the following at March 31:

	2015				2014
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Developed technology	$	6,200,000	$	-	$	-	$	-
Patents		5,653,000		5,564,000		5,653,000		5,533,000
Trademarks and trade names		190,000		-		-		-
Customer relationships		7,270,000		-		-		-
		19,313,000	$	5,564,000		5,653,000	$	5,533,000
Accumulated amortization		5,564,000				5,533,000
Net book value of amortizable intangible assets	$	13,749,000			$	120,000

Estimated amortization expense for all intangible assets

Estimated amortization expense for all intangible assets for the five years subsequent to March 31, 2015 is as follows (in thousands):

Year ending March 31,
2016	$	2,408,000
2017		2,348,000
2018		2,348,000
2019		2,348,000
2020		2,348,000