Note 9 - Leases - Operating Lease (Details) |
3 Months Ended | 6 Months Ended |
|---|---|---|
|
Sep. 30, 2020
USD ($)
|
Sep. 30, 2020
USD ($)
|
|
| Operating lease cost | $ 38,641 | $ 77,282 |
| Variable lease cost | 30,608 | 61,216 |
| Total | 69,249 | 138,498 |
| Operating cash flows for leases | $ 44,433 | $ 88,866 |
| Remaining lease term (Month) | 5 years 180 days | 5 years 180 days |
| Discount rate | 3.50% | 3.50% |