CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net income (loss)	$ (162)	$ 1,373
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Write-off of engineering project development qualification units	67
Shipped qualification assets	2
Depreciation and amortization	587	389
Non-cash reserve accretion	76	90
Stock based compensation	315	175
Provision for losses on accounts receivable	4	4
Deferred taxes-net	353	618
Changes in assets and liabilities:
(Increase) decrease in accounts receivable and other receivables	5,897	2,212
(Increase) decrease in inventories	(1,064)	(3,061)
(Increase) decrease in prepaid income taxes	(114)
(Increase) decrease in other assets	(195)	(402)
Increase (decrease) in accounts payable	(1,590)	1,606
Increase (decrease) in accrued compensation	(771)	(898)
Increase (decrease) in accrued income taxes	(358)	(526)
Increase (decrease) in other liabilities	(392)	(1,539)
Net cash provided by operating activities	2,655	41
Cash flows from investing activities:
Capital expenditures	(99)	(282)
Capitalized qualification units and pre-qualification assets		(25)
Net cash used in investing activities	(99)	(307)
Cash flows from financing activities:
Payments on long-term debt
Net borrowings (repayments) of other debt
Exercise of stock options	332	334
Net cash provided by financing activities	332	334
Increase in cash	2,888	68
Cash at beginning of period	6,021	6,688
Cash at end of period	8,909	6,756
Supplemental information:
Interest payments	6	9
Income tax payments	$ 24	$ 751