Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)	Total	SG Blocks Stockholders' Equity	0.01 Par Value Common Stock	Additional Paid-in Capital	Accumulated Deficit	Noncontrolling interests
Beginning Balance at Dec. 31, 2020	$ 18,437,823	$ 18,253,256	$ 85,962	$ 40,443,840	$ (22,276,546)	$ 184,567
Beginning Balance, Shares at Dec. 31, 2020			8,596,189
Stock-based compensation	286,186	286,186		286,186
Conversion of convertible debentures	703,438	703,438	$ 2,251	701,187
Conversion of convertible debentures, Shares			225,100
Net income (loss)	(1,144,350)	(2,033,877)			(2,033,877)	889,527
Ending Balance, Shares at Mar. 31, 2021			8,821,289
Ending Balance at Mar. 31, 2021	18,283,097	17,209,003	$ 88,213	41,431,213	(24,310,423)	1,074,094
Beginning Balance at Dec. 31, 2021	21,715,789	20,352,054	$ 119,869	53,341,405	(33,109,220)	1,363,735
Beginning Balance, Shares at Dec. 31, 2021			11,986,873
Stock-based compensation	689,086	689,086	$ 200	688,886
Stock-based compensation, Shares			20,000
Noncontrolling interest distribution	(1,274,000)					(1,274,000)
Net income (loss)	501,728	(717,177)			(717,177)	1,218,905
Ending Balance, Shares at Mar. 31, 2022			12,006,873
Ending Balance at Mar. 31, 2022	$ 21,632,603	$ 20,323,963	$ 120,069	$ 54,030,291	$ (33,826,397)	$ 1,308,640