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Notes Payable (Details) - USD ($) | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Current |  |
Small Business Administration PPP Loans | $ 0 | $ 502,000
State Bond Loan | 0 | 0
Deferred financing costs | 0 | (43,000)
Loans payable, current | 0 | 459,000
Long-term |  |
Small Business Administration PPP Loans | 0 | 398,000
State bond loan | 12,441,000 | 12,441,000
Deferred financing cost | (141,000) | (119,000)
Loans payable, non-current | $ 12,300,000 | $ 12,720,000

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