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LEASES - Supplemental information regarding cash flows from operations (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
LEASES
Operating lease costs	$ 83,589	$ 295,631	$ 439,896	$ 876,889
Short term lease costs (1)	964,873	1,205,407	2,903,387	3,347,484
Financing lease costs:
Amortization of financing lease assets (2)	85,367	71,854	189,831	215,560
Interest on lease liabilities (3)	$ 5,160	$ 7,172	$ 14,166	$ 24,022

X

- Definition

Amount of interest expense on finance lease liability.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
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X

- Definition

Amount of amortization expense attributable to right-of-use asset from finance lease.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
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X

- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

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X

- Definition

Amount of short-term lease cost, excluding expense for lease with term of one month or less.

+ References

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