Annual report pursuant to Section 13 and 15(d)

Segment Information (Tables)

Segment Information (Tables)

12 Months Ended

Mar. 31, 2020

Segment Reporting Information [Line Items]

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

Segment information for the fiscal years ended March 31, 2020 and 2019, is set forth below:



	Fiscal Year Ended March 31, 2020
(in thousands)	IBW			ISM			CNS			Total
Revenue	$	10,021		$	10,101		$	9,834		$	29,956
Cost of revenue	7,408			4,865			8,036			20,309
Gross profit	2,613			5,236			1,798			9,647
Gross margin	26.1		%	51.8		%	18.3		%	32.2		%
Research and development	1,757			2,237			1,352			5,346
Segment profit	$	856		$	2,999		$	446		4,301
Operating expenses:
Sales and marketing										7,592
General and administrative										4,757
Intangible amortization										1,233
Restructuring										234
Long-lived assets impairment										1,007
Operating income (loss) from continuing operations										(10,522		)
Other income (expense), net										456
Income tax (expense) benefit										(36		)
Net income (loss) from continuing operations										$	(10,102	)

	Fiscal Year Ended March 31, 2019
(in thousands)	IBW			ISM			CNS			Total
Revenue	$	12,474		$	17,263		$	13,833		$	43,570
Cost of revenue	7,272			8,223			9,711			25,206
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	)

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,
	2020		2019
Verizon	9.9	%	23.1	%
AT&T	7.3	%	11.4	%

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,
	2020		2019
Verizon	12.5	%	27.5	%
AT&T	10.8	%	8.0	%