CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net loss	$ (1,687)	$ (2,621)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization of long-lived assets	97	119
Provision for (recovery from) bad debt	(7)	4
Stock-based compensation expense	744	990
Foreign currency exchange loss	13	75
Change in assets and liabilities:
Trade accounts receivable	10	(333)
Other current and non-current assets	(17)	(330)
Accounts payable	53
Accrued liabilities	103	(99)
Deferred revenue	(203)	(122)
Net cash used in operating activities	(894)	(2,317)
Cash flows from investing activities:
Acquisition bridge loan	(100)
Purchases of property, plant and equipment	(34)	(61)
Net cash used for investing activities	(134)	(61)
Cash flows from financing activities:
Proceeds from exercise of stock options	24	87
Proceeds from issuance of common stock	23	48
Net cash provided by financing activities	47	135
Effect of exchange rate changes on cash	(10)	(117)
Net decrease in cash	(991)	(2,360)
Cash at beginning of period	8,918	11,354
Cash at end of period	$ 7,927	$ 8,994