Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
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Notes Details

Note 2 - Liquidity (Details Textual)

v3.22.2.2

Note 2 - Liquidity (Details Textual) - USD ($) $ / shares in Units, $ in Millions	Aug. 03, 2022	Jul. 01, 2022	Apr. 12, 2022	Apr. 10, 2022
Subsequent Event [Member]
Rights Offering, Shares Authorized (in shares)	35,000
Shares Issued, Price Per Share (in dollars per share)	$ 1,000
Proceeds from Issuance or Sale of Equity, Total	$ 35.0
Subsequent Event [Member] \| Series I Preferred Stock [Member]
Convertible Preferred Stock, Shares Issued upon Conversion (in shares)	1,538
Proceeds from Issuance or Sale of Equity, Total	$ 35.0
Purchase Agreement [Member] \| Vice Chairman of Board of Directors [Member]
Debt Instrument, Face Amount				$ 2.5
Proceeds from Issuance of Long-Term Debt, Total			$ 1.5
Debt Instrument, Interest Rate, Stated Percentage				8.00%
Purchase Agreement [Member] \| Vice Chairman of Board of Directors [Member] \| Subsequent Event [Member]
Proceeds from Issuance of Long-Term Debt, Total		$ 1.0

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