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OTHER ACCRUED LIABILITIES (Tables)

9 Months Ended

Sep. 30, 2021

OTHER ACCRUED LIABILITIES

Schedule of other accrued liabilities

​

​	​	​	​	​	​	​
​		September 30, 2021			December 31, 2020
Prepayments from customers	​	$	2,609,684	​	$	1,686,868
Accrued property taxes	​	​	338,540	​	​	—
Accrued professional fees	​	​	228,204	​	​	331,204
Current portion – preferred stock repurchase	​		1,084,795	​		1,092,282
Other accrued expenses	​		161,642	​		288,550
Total	​	$	4,422,865	​	$	3,398,904

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Tabular disclosure of the components of accrued liabilities.

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