v3.21.2

Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2021

Summary of Significant Accounting Policies

Schedule of roll forward of the allowance for doubtful accounts

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​	​	​	​	​	​	​
​	​	Nine Months Ended
​	​	September 30, 2021		​	September 30, 2020
Allowance for doubtful accounts, beginning of period	​	$	27,162	​	$	2,467
Bad debt expense	​		70,013	​	​	15,836
Allowance for doubtful accounts, end of period	​	$	97,175	​	$	18,303

Schedule of estimated useful lives of property and equipment

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​	​	​
​	​	Useful Lives (in years)
Vehicles		5-10
Equipment		5-7
Buildings		15
Leasehold improvements		5
Office equipment		5-7

X

- Definition

Tabular disclosure of the useful life of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

+ References

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- References

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X

- Definition

Tabular disclosure of allowance for credit loss on accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

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