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Debt (Schedule of Debt) (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Debt Instrument |  |
Unamortized Debt Issuance Expense | $ 1,395 | $ 84
Equipment under Finance Leases | 471 | 526
Total debt | 79,203 | 46,449
Less current portion of long-term debt and finance leases | 2,256 | 12,263
Long-term debt, net of current portion and unamortized debt costs | 75,552 | 34,186
Mortgage Payable - Paid off May 2021 | East West Bank |  |
Debt Instrument |  |
Long Term Debt |  | 3,306
Equipment Loan - Paid off June 2021 | East West Bank |  |
Debt Instrument |  |
Long Term Debt |  | 612
Equipment Loan - Paid off August 2021 | East West Bank |  |
Debt Instrument |  |
Long Term Debt |  | 4,000
Equipment Loan - Paid off August 2021 | East West Bank |  |
Debt Instrument |  |
Long Term Debt |  | 5,254
Mortgage Payable - Paid off August 2021 | East West Bank |  |
Debt Instrument |  |
Long Term Debt |  | 3,334
Mortgage Payable - Due June 2027 | East West Bank |  |
Debt Instrument |  |
Long Term Debt | 8,393 | 8,510
Mortgage Payable - Paid off August 2021 | Cathay Bank |  |
Debt Instrument |  |
Long Term Debt |  | 7,268
Acquisition Loan - Paid off August 2021 | Cathay Bank |  |
Debt Instrument |  |
Long Term Debt |  | 8,710
Line of credit - Closed June 2021 | China Everbright Bank |  |
Debt Instrument |  |
Long Term Debt |  | 764
Line of Credit - Due March 2023 | China Merchant Bank |  |
Debt Instrument |  |
Long Term Debt |  | 382
Line of Credit - deconsolidated | Bank of Nanjing |  |
Debt Instrument |  |
Long Term Debt |  | 153
Equipment Line of Credit - Closed August 2021 | East West Bank |  |
Debt Instrument |  |
Long Term Debt |  | 3,216
Term Loan - Due August 2026 | Capital One, N.A. |  |
Debt Instrument |  |
Long Term Debt | 70,000 |
French Government Loan - Due July 2021 | Seine-Normandie Water Agency |  |
Debt Instrument |  |
Long Term Debt |  | 64
French Government Loan 4 - Due December 2026 | Seine-Normandie Water Agency |  |
Debt Instrument |  |
Long Term Debt | $ 339 | $ 350

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