Note 1. The Company and Summary of Significant Accounting Policies (Details) - Summary of of Net Sales of Significant Customers (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Stryker [Member] | Medical [Member]
Revenue, Major Customer [Line Items]
Revenue from major customers (in Dollars)	$ 3,052	$ 4,288
Percentage of total segment net sales	26.00%	31.00%
Percentage of total net sales	20.00%	26.00%
Percentage of accounts receivable, net	41.00%	0.00%
Pratt & Whitney, a Division of United Technology Corporation [Member] | Industrial [Member]
Revenue, Major Customer [Line Items]
Revenue from major customers (in Dollars)	$ 944	$ 138
Percentage of total segment net sales	26.00%	5.00%
Percentage of total net sales	6.00%	1.00%
Percentage of accounts receivable, net	2.00%	2.00%