XML 28 R16.htm IDEA: XBRL DOCUMENT
v3.19.2

Warrants | 6 Months Ended
--- | ---
Jun. 30, 2019
Warrants [Abstract] |
Warrants |
10. | Warrants
In conjunction with the Public Offering, the Company issued to certain affiliates of the underwriters, as compensation, warrants to purchase an aggregate of 86,250 shares of common stock at an exercise price of $6.25 per share. The warrants are exercisable at the option of the holder on or after June 21, 2018 and expire June 21, 2023. The fair value of warrants was calculated utilizing a Black-Scholes model and amounted to $63,796. The fair market value of the warrants as of the date of issuance has been included in issuance costs in additional paid-in capital. In conjunction with the Purchase Agreement in April 2019, the Company also sold warrants to purchase up to an aggregate of 847,750 shares of common stock at an initial exercise price of $1.375 per share. The warrants are exercisable at the option of the holder on or after October 29, 2019 and expire October 29, 2024. The Company issued to certain affiliates of the underwriters, as compensation, warrants to purchase an aggregate of 84,775 shares of common stock at an initial exercise price of $1.375 per share. The warrants are exercisable at the option of the holder on or after October 29, 2019 and expire April 24, 2024.

X
- References No definition available. + Details
Name: | sgbx_WarrantsAbstract
Namespace Prefix: | sgbx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entrire disclosure for information about warrants. + References No definition available. + Details
Name: | sgbx_WarrantsDisclosureTextBlock
Namespace Prefix: | sgbx_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration