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v3.21.2

Note 3 - Liquidity and Going Concern (Details Textual) - USD ($) |  | 9 Months Ended |
--- | --- | --- | ---
Apr. 23, 2021 | Sep. 30, 2021 | Sep. 30, 2020 | Apr. 30, 2021
Cumulative Net Loss |  | $ (13,000,000) |  |
Proceeds from Sale of Buildings |  | 3,500,000 | $ 0 |
Lake Barrington Facility Lease [Member] |  |  |  |
Lessee, Operating Lease, Term of Contract (Year) | 10 years |  |  | 10 years
Lessee, Operating Lease, Annual Base Rent on First Year | $ 500,000 |  |  | $ 500,000
Lessee, Operating Lease, Annual Base Rent on Last Year | 652,386 |  |  | $ 652,386
Lake Barrington Facility [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration | 3,500,000 |  |  |
Proceeds from Sale of Buildings | 2,000,000 |  |  |
Financing Receivable, before Allowance for Credit Loss, Total | 1,500,000 |  |  |
Line Financial [Member] | Line Financial Agreement [Member] | Revolving Credit Facility [Member] |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  | $ 1,000,000.0 |  |
PNC [Member] | PNC Agreements [Member] | Term Loan [Member] |  |  |  |
Long-term Debt, Total | $ 2,000,000 |  |  |

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