v3.21.1

Business Combination - Additional information (Details) - USD ($)								3 Months Ended
	Mar. 12, 2021	Feb. 19, 2021	Feb. 18, 2021	Jan. 26, 2021	Jan. 20, 2021	Feb. 28, 2020	Feb. 03, 2020	Mar. 31, 2021	Mar. 31, 2020
ANC Green Solutions Potter's Purchase Agreement
Business Acquisition [Line Items]
Percentage voting interest acquired							60.00%
Aggregate purchase price							$ 1,680,000
Amount paid at closing							1,500,000
Deferred consideration to be paid							$ 147,000
Threshold period within which deferred consideration to be paid							2 years
Revenue since acquisition								$ 441,000	$ 336,000
Income (loss) from operations since acquisition								259,000	29,000
Transaction costs									96,000
ANC Green Solutions Smith purchase agreement
Business Acquisition [Line Items]
Percentage voting interest acquired						60.00%
Aggregate purchase price						$ 3,000,000
Amount paid at closing						2,600,000
Deferred consideration to be paid						$ 400,000		900,000
Revenue since acquisition								1,100,000	320,000
Income (loss) from operations since acquisition								200,000	48,000
Transaction costs								96,000
ANC Green Solutions Smith purchase agreement | Minimum
Business Acquisition [Line Items]
Threshold period within which deferred consideration to be paid						1 year
ANC Green Solutions Smith purchase agreement | Maximum
Business Acquisition [Line Items]
Threshold period within which deferred consideration to be paid						2 years
ANC Green Solutions- Zodega
Business Acquisition [Line Items]
Percentage voting interest acquired					51.00%
Consideration in shares					46,161
Aggregate purchase price					$ 600,000
Zodega and subsidiaries
Business Acquisition [Line Items]
Income (loss) from operations since acquisition								200,000	$ 200,000
Transaction costs								200,000
Zodega Landscape Services, LLC
Business Acquisition [Line Items]
Aggregate purchase price	$ 800,000	$ 2,000,000	$ 300,000	$ 800,000
Amount paid at closing	400,000	1,600,000	200,000	500,000
Deferred consideration to be paid	$ 400,000	$ 400,000	$ 100,000	$ 300,000
Revenue since acquisition								900,000
Income (loss) from operations since acquisition								$ 200,000

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- Definition

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Number of shares of equity interests issued or issuable to acquire entity.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of liability recognized arising from contingent consideration in a business combination.

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