Annual report pursuant to Section 13 and 15(d)

Segment Information (Tables)

Segment Information (Tables)

12 Months Ended

Mar. 31, 2017

Segment Reporting Information [Line Items]

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

Segment information for the fiscal years ended March 31, 2017 and 2016, is set forth below:



	Fiscal Year Ended March 31, 2017
(in thousands)	IBW				ISMS			CNS			Total
Revenue	$	25,933			$	19,321		$	17,711		$	62,965
Gross profit	8,671				9,778			5,300			23,749
Gross margin	33.4		%	⁽¹⁾	50.6		%	29.9		%	37.7		%
Research and development	6,738				3,955			1,674			12,367
Segment profit	$	1,933			$	5,823		$	3,626		11,382
Operating expenses:
Sales and marketing											10,344
General and administrative											7,991
Intangible amortization											4,764
Restructuring											3,155
Long-lived assets impairment											1,181
Operating income (loss) from continuing operations											(16,053		)
Other income (expense), net											170
Income tax (expense) benefit											(58		)
Net income (loss) from continuing operations											$	(15,941	)

	Fiscal Year Ended March 31, 2016
(in thousands)	IBW				ISMS			CNS			Total
Revenue	$	34,407			$	21,783		$	32,013		$	88,203
Gross profit	13,944				11,122			9,450			34,516
Gross margin	40.5		%		51.1		%	29.5		%	39.1		%
Research and development	11,059				5,417			2,841			19,317
Segment profit	$	2,885			$	5,705		$	6,609		15,199
Operating expenses:
Sales and marketing											15,817
General and administrative											9,836
Intangible amortization											5,554
Restructuring											748
Long-lived assets impairment											—
Operating income (loss) from continuing operations											(16,756		)
Other income (expense), net											169
Income tax (expense) benefit											102
Net income (loss) from continuing operations											$	(16,485	)

Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]

Significant Customers and Concentration of Credit

The Company is dependent on certain major companies operating in telecommunications markets that represent more than 10% of the total revenue. Sales to major customers and successor companies that exceed 10% of total revenue are as follows:



	Fiscal Year Ended March 31,
	2017		2016
Verizon	21.9	%	23.1	%
AT&T	16.3	%	11.1	%
American Tower	10.0	%	9.5	%

Schedule of Major Customer Accounts Receivable [Table Text Block]

Major companies operating in telecommunications markets comprise a significant portion of the Company’s trade receivables. Receivables from major customers that exceed 10% of total accounts receivable balance are as follows:



	Fiscal Year Ended March 31,
	2017		2016
Verizon	19.0	%	32.8	%
AT&T	22.4	%	12.8	%
T-Mobile	13.3	%	2.6	%