Equity Incentive Plans, Stock Option Plans (Details)	1 Months Ended		12 Months Ended
	Jun. 30, 2021 shares	Jun. 21, 2021 Plan shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020 shares
Stock Option Plan [Abstract]
Number of equity incentive plans | Plan		2
Options granted (in shares)			0	0
2015 Plan [Member]
Stock Option Plan [Abstract]
Common stock reserved for issuance (in shares)		1,176,681
Options granted (in shares)	0		0	0
2021 Plan [Member]
Stock Option Plan [Abstract]
Number of shares of common stock available for awards (in shares)			1,111,111
Percentage of increase in outstanding number of shares of common stock			4.00%
Number of shares approved to increase (in shares)			555,555
Common stock fair market value on grant date for first calendar year | $			$ 350,000
Common stock fair market value on grant date for other calendar year | $			$ 200,000
Percentage of Incentive Stock Options granted to stockholders			10.00%
Contract term of stock option			10 years
Contract term if ISO granted to ten-percent shareholders			5 years
2021 Plan [Member] | Maximum [Member]
Stock Option Plan [Abstract]
Percentage of ISO granted to ten-percent shareholder			110.00%