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Note 4 - Leases (Tables) | 12 Months Ended
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Mar. 31, 2021
Notes Tables |
Lease, Cost [Table Text Block] |
|  | Twelve Months |  |  | Twelve Months |
|  | Ended March 31, |  |  | Ended March 31, |
|  | 2021 |  |  | 2020 |
Finance lease – amortization of ROU asset |  | $ | 100,728 |  |  | $ | 49,640 |
Finance lease – interest on lease liability |  |  | 8,164 |  |  |  | 4,806 |
Operating lease expense |  |  | 56,286 |  |  |  | 36,936 |
|  | $ | 165,178 |  |  | $ | 91,382 |
Schedule of Balance Sheet Information Related to Operating Leases [Table Text Block] |
|  | March 31, 2021 |  |  | March 31, 2020 |  | Balance Sheet Classification
Assets |  |  |  |  |  |  |  |  |
Operating lease right-of-use asset |  | $ | 4,850 |  |  | $ | 51,535 |  | Other assets
Finance lease right-of-use asset |  |  | 481,880 |  |  |  | 507,812 |  | Property, plant & equipment
Total right-of-use assets |  | $ | 486,730 |  |  | $ | 559,347 |  |
Liabilities |  |  |  |  |  |  |  |  |
Operating lease liability, current |  | $ | 4,850 |  |  | $ | 47,431 |  | Accrued expenses
Finance lease liability, current |  |  | 102,689 |  |  |  | 100,728 |  | Current portion of financing lease
Operating lease liability, non-current |  |  | — |  |  |  | 4,104 |  | Other non-current liabilities
Finance lease liability, non-current |  |  | 265,557 |  |  |  | 368,248 |  | Other non-current liabilities
Total lease liabilities |  | $ | 373,096 |  |  | $ | 520,511 |  |
Operating and Finance Lease, Liability, Maturity [Table Text Block] |
|  | Operating |  |  | Finance |
|  | Leases |  |  | Leases |
Fiscal 2022 |  |  | 4,878 |  |  |  | 108,892 |
Fiscal 2023 |  |  | — |  |  |  | 108,892 |
Fiscal 2024 |  |  | — |  |  |  | 108,892 |
Fiscal 2025 |  |  | — |  |  |  | 54,445 |
Fiscal 2026 |  |  | — |  |  |  | — |
Total undiscounted lease payments |  | $ | 4,878 |  |  | $ | 381,121 |
Less: imputed interest |  |  | (28 | ) |  |  | (12,875 | )
Present value of lease liability |  | $ | 4,850 |  |  | $ | 368,246 |

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- Definition Tabular disclosure of balance sheet information related to operating leases. + References No definition available. + Details
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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 + Details
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