Annual report pursuant to Section 13 and 15(d)

Segment Information (Tables)

Segment Information (Tables)

12 Months Ended

Mar. 31, 2019

Segment Reporting Information [Line Items]

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

Segment information for the fiscal years ended March 31, 2019 and 2018, is set forth below:



	Fiscal Year Ended March 31, 2019
(in thousands)	IBW			ISM			CNS			Total
Revenue	$	12,474		$	17,263		$	13,833		$	43,570
Gross profit	5,202			9,040			4,122			18,364
Gross margin	41.7		%	52.4		%	29.8		%	42.1		%
Research and development	2,755			2,390			1,645			6,790
Segment profit	$	2,447		$	6,650		$	2,477		11,574
Operating expenses:
Sales and marketing										8,342
General and administrative										6,699
Intangible amortization										3,435
Restructuring										—
Long-lived assets impairment										4,722
Operating income (loss) from continuing operations										(11,624		)
Other income (expense), net										626
Income tax (expense) benefit										(39		)
Net income (loss) from continuing operations										$	(11,037	)

	Fiscal Year Ended March 31, 2018
(in thousands)	IBW			ISM			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

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,
	2019		2018
Verizon	23.1	%	18.0	%
AT&T	11.4	%	12.5	%

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,
	2019		2018
Verizon	27.5	%	36.2	%
AT&T	8.0	%	14.4	%