Annual report pursuant to Section 13 and 15(d)

Segment Information (Tables)

Segment Information (Tables)

12 Months Ended

Mar. 31, 2018

Segment Reporting Information [Line Items]

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

Segment information for the fiscal years ended March 31, 2018 and 2017, is set forth below:



	Fiscal Year Ended March 31, 2018
(in thousands)	IBW				ISMS			CNS			Total
Revenue	$	23,265			$	19,350		$	15,962		$	58,577
Gross profit	10,653				9,959			4,555			25,167
Gross margin	45.8		%		51.5		%	28.5		%	43.0		%
Research and development	4,141				2,264			970			7,375
Segment profit	$	6,512			$	7,695		$	3,585		17,792
Operating expenses:
Sales and marketing											8,290
General and administrative											6,602
Intangible amortization											4,189
Restructuring											165
Long-lived assets impairment											—
Operating income (loss) from continuing operations											(1,454		)
Other income (expense), net											888
Income tax (expense) benefit											597
Net income (loss) from continuing operations											$	31

	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		%	⁽¹⁾
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	)

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,
	2018		2017
Verizon	18.0	%	21.9	%
AT&T	12.5	%	16.3	%
American Tower	7.2	%	10.0	%

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,
	2018		2017
Verizon	36.2	%	19.0	%
AT&T	14.4	%	22.4	%
T-Mobile	8.4	%	13.3	%