Organization and Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	May. 31, 2015	Feb. 28, 2015
Summary of Significant Accounting Policies (Textual)
Description of inventory valuation policy for Raw material /Work in process	All material purchased, processed, and/or used in the last two fiscal years is valued at the lower of its acquisition cost or market. All material not purchased/used in the last two fiscal years is fully reserved.
Accounts receivable allowance amount	$ 2	$ 2
Certificates of Deposit [Member]
Summary of Significant Accounting Policies (Textual)
Maturity term	One year or less