Note 4 - Capital Stock (Details Textual) | 6 Months Ended | |
Sep. 30, 2018USD ($)$ / sharesshares | Sep. 30, 2017USD ($) | Mar. 31, 2018$ / sharesshares |
Common Stock, Shares Authorized | 100,000,000 | | 100,000,000 |
Common Stock, Par or Stated Value Per Share | $ / shares | $ 0.001 | | $ 0.001 |
Proceeds from Issuance of Common Stock | $ | $ 40,800 | $ 21,000 | |
Common Stock, Shares, Issued, Total | 7,066,858 | | 6,903,658 |
Common Stock, Shares, Outstanding, Ending Balance | 7,066,858 | | 6,903,658 |
Subscription Agreements [Member] | | | |
Common Stock, Par or Stated Value Per Share | $ / shares | $ 0.25 | | |
Common Stock, Shares Subscribed but Unissued | 163,200 | | |
Proceeds from Issuance of Common Stock | $ | $ 40,800 | | |
Series A Preferred Stock [Member] | | | |
Preferred Stock, Shares Authorized | 20,000,000 | | 20,000,000 |
Preferred Stock, Par or Stated Value Per Share | $ / shares | $ 0.001 | | $ 0.001 |
Preferred Stock, Voting Rights, Votes Per Share Held | 10 | | |
Convertible Preferred Stock, Shares Issuable upon Conversion | 10 | | |
Preferred Stock, Shares Issued, Total | 19,999,998 | | 19,999,998 |
Preferred Stock, Shares Outstanding, Ending Balance | 19,999,998 | | 19,999,998 |
Series B Preferred Stock [Member] | | | |
Preferred Stock, Shares Authorized | 5,000,000 | | 5,000,000 |
Preferred Stock, Par or Stated Value Per Share | $ / shares | $ 0.001 | | $ 0.001 |
Preferred Stock, Voting Rights, Votes Per Share Held | 4 | | |
Convertible Preferred Stock, Shares Issuable upon Conversion | 4 | | |
Proceeds from Issuance of Common Stock | $ | $ 165,500 | | |
Stock Issued During Period, Shares, New Issues | 206,875 | | |
Preferred Stock, Shares Issued, Total | 1,214,375 | | 1,007,500 |
Preferred Stock, Shares Outstanding, Ending Balance | 1,214,375 | | 1,007,500 |