Subsequent Events	9 Months Ended
Sep. 30, 2023
Subsequent Events [Abstract]
Subsequent Events	18. Subsequent Events Reverse Stock Split On October 11, 2023, the Company filed a Certificate of Change effecting a reverse stock split as of 5:00 p.m. Eastern Standard Time on October 13, 2023 with a ratio of 1-for-25. The Company’s common stock began trading on a post-split basis under the Company’s existing trading symbol, “SLNH,” when the market opened on October 16, 2023. The reverse stock split was approved by the Board of Directors and by shareholders at the annual meeting of the stockholders on June 29, 2023. At the effective time, every 25 issued and outstanding shares of the Company common stock was converted automatically into one share of the Company’s common stock without any change in the par value per share. The Reverse Split did not change the number of shares of common stock authorized for issuance. No fractional shares were outstanding following the Reverse Split. Any holder who would have received a fractional share of common stock was automatically entitled to receive an additional fraction of a share of common stock to round up to the next whole share. In addition, effective as of the same time as the Reverse Split, proportionate adjustments were made to all then-outstanding equity awards, warrants and convertible securities with respect to the number of shares of common stock subject to such award or security and the exercise or conversion price thereof. Furthermore, the number of shares of common stock available for issuance under the Company’s equity incentive plans has been proportionately adjusted for the Reverse Split ratio, such that fewer shares will be subject to such plans. Furthermore, proportionate adjustments were made to the conversion factor at which the Company’s Series B Preferred Stock, par value $0.0001 per share (the “Series B Preferred Stock”), may be converted to Common Stock. The total number of shares of Series B Preferred Stock of the Company authorized for issuance remained at 187,500.

Subsequent Events

9 Months Ended

Sep. 30, 2023

18. Subsequent Events

Reverse Stock Split

On October 11, 2023, the Company filed a Certificate of Change effecting a reverse stock split as of 5:00 p.m. Eastern Standard Time on October 13, 2023 with a ratio of 1-for-25. The Company’s common stock began trading on a post-split basis under the Company’s existing trading symbol, “SLNH,” when the market opened on October 16, 2023. The reverse stock split was approved by the Board of Directors and by shareholders at the annual meeting of the stockholders on June 29, 2023. At the effective time, every 25 issued and outstanding shares of the Company common stock was converted automatically into one share of the Company’s common stock without any change in the par value per share. The Reverse Split did not change the number of shares of common stock authorized for issuance. No fractional shares were outstanding following the Reverse Split. Any holder who would have received a fractional share of common stock was automatically entitled to receive an additional fraction of a share of common stock to round up to the next whole share.

In addition, effective as of the same time as the Reverse Split, proportionate adjustments were made to all then-outstanding equity awards, warrants and convertible securities with respect to the number of shares of common stock subject to such award or security and the exercise or conversion price thereof. Furthermore, the number of shares of common stock available for issuance under the Company’s equity incentive plans has been proportionately adjusted for the Reverse Split ratio, such that fewer shares will be subject to such plans. Furthermore, proportionate adjustments were made to the conversion factor at which the Company’s Series B Preferred Stock, par value $0.0001 per share (the “Series B Preferred Stock”), may be converted to Common Stock. The total number of shares of Series B Preferred Stock of the Company authorized for issuance remained at 187,500.