Convertible Preferred Stock and Stockholders’ Equity (Details Narrative) - USD ($)			1 Months Ended	3 Months Ended
	Feb. 23, 2021	Aug. 07, 2019	Sep. 30, 2016	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Sep. 29, 2021	Mar. 05, 2018	Feb. 28, 2018
Subsidiary, Sale of Stock [Line Items]
Common stock, voting rights				The holders of common stock are entitled to one vote for each share held
Payments of dividends common stock				$ 0
Preferred stock, par value				$ 0.001		$ 0.001
Share-Based Payment Arrangement, Noncash Expense				$ 2,514,000	$ 1,371,000
Unrecognized stock-based compensation expense				$ 7,200,000
Share based payment arrangement, cost not yet recognized, period				4 years
2012 Stock Incentive Plan [Member]
Subsidiary, Sale of Stock [Line Items]
Stock plan expiration date				Mar. 25, 2012
Stock Award Plans [Member]
Subsidiary, Sale of Stock [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance				4,174,120
PSU Agreement [Member] | Mr. Fischel [Member]
Subsidiary, Sale of Stock [Line Items]
Performance award term	10 years
Number of shares granted	13,000,000
Maximum market capitalization milestone, amount	$ 1,000,000,000.0
Increase in market capitalization milestone, amount	$ 500,000,000
Award vesting rights, description	Each tranche represents a portion of the PSUs covering the number of shares outlined in the table above. Each tranche vests upon (i) satisfaction of the market capitalization milestones and (ii) continued employment as CEO of the Company from the grant date through December 31, 2030. Absent an earlier termination, the PSUs will expire on December 31, 2030. If our CEO ceases employment as CEO of the Company for any reason including death, disability, termination for cause or without cause (as defined in the award agreement), or if he voluntary terminates after service as CEO for at least five years, the remaining service period will be waived and he will retain any PSUs that have vested through the date of termination.
Share-Based Payment Arrangement, Noncash Expense				$ 1,800,000	700,000
Unrecognized stock-based compensation expense				$ 49,500,000	$ 56,700,000
PSU Agreement [Member] | Mr. Fischel [Member] | ShareBased Compensation Award Tranche Ten [Member]
Subsidiary, Sale of Stock [Line Items]
Number of shares granted	1,000,000
Maximum market capitalization milestone, amount	$ 5,500,000,000
Series A Convertible Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of stock, number of shares sold			24,000
Preferred stock, par value			$ 0.001
Preferred stock, stated value			1,000
Redemption price per share			$ 0.65					$ 0.28	$ 0.70
Common stock issuable from warrants			36,923,078
Preferred stock dividend rate			6.00%
Preferred stock redemption, triggering event, percent of common stock sold threshold			50.00%
Warrant [Member]
Subsidiary, Sale of Stock [Line Items]
Unexercised warrants							15,385
Private Placement [Member] | Series B Convertible Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of stock, number of shares sold		5,610,121
Preferred stock, par value		$ 0.001
Preferred Stock, Convertible, Conversion Price		$ 2.05