Stockholders' Equity - Stock Options and a Summary of Activity (Details)	9 Months Ended
	Sep. 30, 2022 $ / shares shares
Number of Options
Outstanding at beginning of period (in shares) | shares	267,109
Granted (in shares) | shares	226,820
Exercised (in shares) | shares	(250)
Canceled/forfeited (in shares) | shares	(135,447)
Outstanding at end of period (in shares) | shares	358,064
Vested and expected to vest at period end (in shares) | shares	291,379
Exercisable at period end (in shares) | shares	118,920
Weighted Average Exercise Price Per Share
Outstanding at beginning of period (USD per share) | $ / shares	$ 3.46
Granted (USD per share) | $ / shares	0.95
Exercised (USD per share) | $ / shares	1.45
Canceled/forfeited (USD per share) | $ / shares	3.03
Outstanding at end of period (USD per share) | $ / shares	2.03
Vested and expected to vest at period end (USD per share) | $ / shares	2.21
Exercisable at period end (USD per share) | $ / shares	$ 3.21
Weighted Average Remaining Contractual Life (in years)
Outstanding at end of period	8 years 2 months 12 days
Vested and expected to vest at period end	7 years 10 months 24 days
Exercisable at period end	5 years 7 months 6 days