Subsequent Events	12 Months Ended
Dec. 31, 2020
Subsequent Events [Abstract]
Subsequent Events	*17. Subsequent Events* On February 23, 2021, the Company and David L. Fischel, the President and Chief Executive Officer of the Company, entered into a Performance Share Unit Award Agreement (the “PSU Agreement”), pursuant to which the Company granted Mr. Fischel Performance Share Units (the “PSUs”) representing the right to receive up to an aggregate of 13,000,000 shares of common stock of the Company, subject to the terms and conditions set forth in the PSU Agreement. The PSU Agreement is available in a Form 8-K filed with the Securities and Exchange Commission on February 24, 2021. On March 1, 2021, the Company entered into an office lease agreement (the “Lease”) with Globe Building Company (the “Landlord”), under which the Company will lease executive office space and manufacturing facilities of approximately 43,100 square feet of rentable space located at 710 N. Tucker Boulevard, St. Louis, Missouri (the “Premises”) that will serve as the Company’s new principal executive and administrative offices and manufacturing facility. The Lease for the Premises is effective at the later of January 1, 2022 or the date on which the Company has received an occupancy permit, and has a term of ten years, with two renewal options of five years each. The minimum annual rent under the terms of the Lease ranges from approximately $0.8 million in 2022 to $1.0 million in 2031. At the Lease commencement, the Company will relocate its current St. Louis, Missouri operations to the Premises in the new building. The Lease is available in a Form 8-K filed with the Securities and Exchange Commission on March 4, 2021.

Subsequent Events

12 Months Ended

Dec. 31, 2020

17. Subsequent Events

On February 23, 2021, the Company and David L. Fischel, the President and Chief Executive Officer of the Company, entered into a Performance Share Unit Award Agreement (the “PSU Agreement”), pursuant to which the Company granted Mr. Fischel Performance Share Units (the “PSUs”) representing the right to receive up to an aggregate of 13,000,000 shares of common stock of the Company, subject to the terms and conditions set forth in the PSU Agreement. The PSU Agreement is available in a Form 8-K filed with the Securities and Exchange Commission on February 24, 2021.

On March 1, 2021, the Company entered into an office lease agreement (the “Lease”) with Globe Building Company (the “Landlord”), under which the Company will lease executive office space and manufacturing facilities of approximately 43,100 square feet of rentable space located at 710 N. Tucker Boulevard, St. Louis, Missouri (the “Premises”) that will serve as the Company’s new principal executive and administrative offices and manufacturing facility. The Lease for the Premises is effective at the later of January 1, 2022 or the date on which the Company has received an occupancy permit, and has a term of ten years, with two renewal options of five years each. The minimum annual rent under the terms of the Lease ranges from approximately $0.8 million in 2022 to $1.0 million in 2031. At the Lease commencement, the Company will relocate its current St. Louis, Missouri operations to the Premises in the new building. The Lease is available in a Form 8-K filed with the Securities and Exchange Commission on March 4, 2021.