Stockholders' Equity - Stock Options and a Summary of Activity (Details)			9 Months Ended
	Jun. 16, 2023	Jun. 15, 2023	Sep. 30, 2023 $ / shares shares
Number of Options
Outstanding at beginning of period (in shares) | shares			47,103
Granted (in shares) | shares			11,427
Canceled/forfeited (in shares) | shares			(21,106)
Expired (in shares) | shares			(3,827)
Outstanding at end of period (in shares) | shares			33,597
Vested and expected to vest at period end (in shares) | shares			27,864
Exercisable at period end (in shares) | shares			9,574
Weighted Average Exercise Price Per Share
Outstanding at beginning of period (USD per share) | $ / shares			$ 13.78
Granted (USD per share) | $ / shares			3.04
Canceled/forfeited (USD per share) | $ / shares			16.80
Expired (USD per share) | $ / shares			17.06
Outstanding at end of period (USD per share) | $ / shares			7.85
Vested and expected to vest at period end (USD per share) | $ / shares			8.50
Exercisable at period end (USD per share) | $ / shares			$ 14.94
Weighted Average Remaining Contractual Life (in years)
Outstanding at end of period			8 years 9 months 18 days
Vested and expected to vest at period end			8 years 8 months 12 days
Exercisable at period end			8 years 8 months 12 days
Reverse stock split ratio	0.142857	0.142857