Note 6 - Balance Sheet Components - Components of Accrued Payroll and Related Liabilities, Other Accrued Liabilities and Deferred Revenue (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Mar. 31, 2017
Accrued payroll and related liabilities:
Accrued vacation	$ 868	$ 841
Accrued bonus	66	47
Accrued wages	233	216
Accrued benefits	648	440
Accrued commissions	171	185
Total	1,986	1,729
Accrued accounts payable	285	167
VAT on sales	661	366
Employee withhold tax for stock		190
Sales tax payable	980	933
Other accrued liabilities	313	386
Total	2,239	2,042
Deferred revenue:
Deferred revenue	9,571	10,080
Subscription Arrangement [Member]
Deferred revenue:
Deferred revenue	7,393	7,003
Maintenance [Member]
Deferred revenue:
Deferred revenue	1,239	2,157
Consulting [Member]
Deferred revenue:
Deferred revenue	895	854
Hosting [Member]
Deferred revenue:
Deferred revenue	43	55
Training [Member]
Deferred revenue:
Deferred revenue	$ 1	$ 11