Income Taxes (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)
Income Tax Disclosure [Abstract]
Operating loss carryforwards, federal	$ 77.2
Operating loss carryforwards, state	$ 63.7
Description for expire of federal loss carryforwards	The federal loss carryforwards begin to expire in 2029
Net operating losses that do not expire	$ 32.7
Net operating losses	$ 77.2
Description of ownership	In general, an ownership change, as defined by Section 382 and 383, results from transactions increasing ownership of certain stockholders or public groups in the stock of the corporation by more than 50 percentage points over a three-year period.
Description of income tax returns limitations	We file income tax returns in the United States and Arizona with general statutes of limitations of three and four years, respectively.