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Consolidated Statements of Changes in Stockholders' Equity - USD ($)
Total
0.01 Par Value Common Stock
Preferred Stock
Additional Paid-in Capital
Accumulated Deficit
SG Blocks Stockholders' Equity
Non-controlling interests
Beginning balance at Dec. 31, 2018 $ 7,080,067 $ 2,130 $ 17,741,214 $ (10,663,277) $ 7,080,067
Beginning Balance, Shares at Dec. 31, 2018   213,002          
Stock-based compensation 946,660 946,660 946,660
Conversion of restricted stock units to common stock 3,253,962            
Issuance of common stock, net of issuance costs   $ 9,449 3,244,513 3,253,962
Issuance of common stock, net of issuance costs, Shares   944,888          
Net loss (6,920,540) (6,920,540) (6,920,540)
Ending balance at Dec. 31, 2019 4,360,149 $ 11,579 21,932,387 (17,583,817) 4,360,149
Ending Balance, Shares at Dec. 31, 2019   1,157,890          
Stock-based compensation 1,261,215 1,261,215 1,261,215
Conversion of restricted stock units to common stock $ 246 (246)
Conversion of restricted stock units to common stock, Shares   24,672          
Reverse stock split settlement (122) (122) (122)
Reverse stock split settlement, Shares   (38)          
Conversion of debt exchange to common stock 206,263 $ 737 205,526 206,263
Conversion of debt exchange to common stock, Shares   73,665          
Issuance of common stock, net of issuance costs 17,118,480 $ 73,400 17,045,080 17,118,480
Issuance of common stock, net of issuance costs, Shares   7,340,000          
Net loss (4,508,162) (4,692,729) (4,692,729) 184,567
Ending balance at Dec. 31, 2020 $ 18,437,823 $ 85,962 $ 40,443,840 $ (22,276,546) $ 18,253,256 $ 184,567
Ending Balance, Shares at Dec. 31, 2020   8,596,189