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v3.23.1

Consolidated Condensed Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) shares in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Cash and cash equivalents | $ 4,131,000 | $ 4,313,000
Accounts receivable | 261,000 | 1,264,000
Inventory Valuation Reserves | 1,040,000 | 1,040,000
Prepaid expenses | 1,502,000 | 4,248,000
Other current assets | 2,792,000 | 3,653,000
Property, plant and equipment, net | 180,808,000 | 180,441,000
Operating lease right-of-use assets | 2,355,000 | 2,449,000
Other assets | 5,994,000 | 6,088,000
Accounts payable | 28,508,000 | 26,168,000
Short term borrowings | 45,282,000 | 36,754,000
Current portion of operating lease liability | 355,000 | 338,000
Other long term debt | 11,479,000 | 11,678,000
Operating lease liability | $ 2,095,000 | $ 2,189,000
Common Stock, Par Value (in dollars per share) | $ 0.001 | $ 0.001
Common Stock, Shares Authorized (in shares) | 80,000 | 80,000
Common Stock, Shares Issued (in shares) | 36,690 | 35,869
Common Stock, Shares Outstanding (in shares) | 36,690 | 35,869
Series B Convertible Preferred Stock [Member] |  |
Series B Preferred Stock, Par Value (in dollars per share) | $ 0.001 | $ 0.001
Series B Preferred Stock, Authorized (in shares) | 7,235 | 7,235
Series B Preferred Stock, Shares Issued (in shares) | 1,270 | 1,270
Series B Preferred Stock, Shares Outstanding (in shares) | 1,270 | 1,270
Aggregate Liquidation Preference | $ 3,810,000 | $ 3,810,000
Convertible Series B Preferred Stock Subject to Mandatory Redemption [Member] |  |
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Noncurrent | 122,546,000 | 116,000,000
Variable Interest Entity, Primary Beneficiary [Member] |  |
Cash and cash equivalents | 1,042,000 | 165,000
Accounts receivable | 73,000 | 165,000
Prepaid expenses | 470 | 858
Other current assets | 127,000 | 725,000
Property, plant and equipment, net | 70,636,000 | 71,633,000
Operating lease right-of-use assets | 204,000 | 244,000
Other assets | 3,458,000 | 3,458,000
Accounts payable | 7,660,000 | 9,192,000
Short term borrowings | 21,737,000 | 19,831,000
Current portion of operating lease liability | 43,000 | 41,000
Other long term debt | 29,000 | 31,000
Operating lease liability | 104,000 | 115,000
Variable Interest Entity, Primary Beneficiary [Member] | Convertible Series B Preferred Stock Subject to Mandatory Redemption [Member] |  |
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Noncurrent | $ 122,546,000 | $ 116,000,000

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