Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Revenues:
Revenues	$ 6,988	$ 6,492
Cost of revenues:
Cost of revenues	3,303	3,107
Gross profit:
Gross profit	3,685	3,385
Operating expenses:
Research and development	1,066	947
Sales and marketing	2,496	2,803
General and administrative	2,072	1,756
Total operating expenses	5,634	5,506
Loss from operations	(1,949)	(2,121)
Other expense, net	(178)	(291)
Net loss before income tax	(2,127)	(2,412)
Benefit from income taxes	17	70
Net loss	$ (2,110)	$ (2,342)
Basic and diluted net loss per share (Note 7) (in dollars per share)	$ (0.17)	$ (0.21)
Weighted-average shares of common stock used in computing basic and diluted net loss per share (in shares)	12,249	11,413
Statements of Comprehensive Loss:
Net loss	$ (2,110)	$ (2,342)
Foreign currency translation adjustments, net	311	(26)
Other comprehensive loss	(114)
Comprehensive loss	(1,913)	(2,368)
Fair Value, Measurements, Recurring [Member]
Revenues:
Revenues	5,300	5,068
Cost of revenues:
Cost of revenues	1,786	1,606
Gross profit:
Gross profit	3,514	3,462
Fair Value, Measurements, Nonrecurring [Member]
Revenues:
Revenues	1,688	1,424
Cost of revenues:
Cost of revenues	1,517	1,501
Gross profit:
Gross profit	$ 171	$ (77)