Note 1 - Description of Business |
12 Months Ended |
|---|---|
Mar. 31, 2018 | |
| Notes to Financial Statements | |
| Business Description and Basis of Presentation [Text Block] | NOTE 1. DESCRIPTION OF BUSINESS We develop and sell devices that use spintronics, a nanotechnology that relies on electron spin rather than electron charge to acquire, store, and transmit information. We operate in one reportable segment. |