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CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) - USD ($)
Mar. 31, 2022
Dec. 31, 2021
Allowance For Doubtful Accounts $ 1,404,000 $ 1,404,000
Inventory Valuation Reserves $ 1,040,000 $ 1,040,000
Common Stock, Par Value $ 0.001 $ 0.001
Common Stock, Shares Authorized (in Thousands) 80,000,000 80,000,000
Common Stock, Shares Issued (in Thousands) 34,179,000 33,461,000
Common Stock, Shares Outstanding (in Thousands) 34,179,000 33,461,000
Short Term Borrowings $ 14,837,000 $ 14,586,000
Series B Convertible Preferred Stock    
Series B Preferred Stock, Par Value $ 0.001 $ 0.001
Series B Preferred Stock, Authorized (in Thousands) 7,235,000 7,235,000
Series B Preferred Stock, Shares Issued (in Thousands) 1,270,000 1,275,000
Series B Preferred Stock, Shares Outstanding (in Thousands) 1,270,000 1,275,000
Aggregate Liquidation Preference $ 3,810,000 $ 3,825,000
Variable Interest Entity, Primary Beneficiary [Member]    
Cash And Cash Equivalents, Vie 0 19,000
Prepaid Expenses, Vie 250,000 335,000
Property, Plant And Equipment, Vie 47,453,000 39,625,000
Operating Lease Right-of-use Assets, Vie 0 10,000
Other Assets, Vie 130,000 38,000
Accounts Payable, Vie 7,010,000 4,950,000
Short Term Borrowings 9,000 9,000
Accrued Property Taxes 125,000 121,000
Current Portion Of Operating Lease Liability, Vie 8,000 11,000
Current Portion Of Series A Preferred Units, Vie 3,698,000 3,169,000
Other Current Liabilities, Vie 590,000 306,000
Other Long Term Debt, Vie 38,000 40,000
Series A Preferred Units, Vie $ 47,701,000 $ 44,978,000