Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Operating activities
Net loss	$ (6,206,000)	$ (4,697,000)
Adjustments to reconcile net loss to net cash used in operating activities
Net restructuring, severance and other charges	19,000	(286,000)
Net legal settlements	0	(15,000)
Depreciation	1,312,000	1,193,000
Amortization	950,000	678,000
Amortization of developed technology	4,727,000	3,399,000
Deferred income taxes	87,000	110,000
Share-based compensation	2,318,000	841,000
Change in cash surrender value of company owned life insurance policies	(6,000)	(10,000)
Changes in operating assets and liabilities:
Accounts receivable	887,000	5,862,000
Inventories	(83,000)	371,000
Prepaid expense and other current assets	1,308,000	534,000
Accounts payable	286,000	1,284,000
Deferred revenue	(7,036,000)	(6,765,000)
Accrued liabilities	25,000	2,525,000
Income taxes payable	46,000	33,000
Other changes, net	(140,000)	(125,000)
Net cash used in operating activities	(1,648,000)	(184,000)
Investing activities
Capital expenditures	(3,106,000)	(2,272,000)
Capitalized software development costs	(5,477,000)	(5,824,000)
Investments in corporate-owned life insurance policies	(2,000)	(1,000)
Net cash used in investing activities	(8,585,000)	(8,097,000)
Financing activities
Payments to settle contingent consideration arising from business acquisition	0	(197,000)
Repurchase of common shares to satisfy employee tax withholding	(519,000)	(404,000)
Principal payments under long-term obligations	(61,000)	(56,000)
Net cash used in financing activities	(580,000)	(657,000)
Effect of exchange rate changes on cash	90,000	(41,000)
Net decrease in cash and cash equivalents	(10,723,000)	(8,979,000)
Cash and cash equivalents at beginning of period	49,255,000	60,608,000
Cash and cash equivalents at end of period	38,532,000	51,629,000
Accrued capital expenditures	385,000	223,000
Accrued capitalized software development costs	$ 357,000	$ 1,003,000