Equity - Narrative (Details) - USD ($)						1 Months Ended		9 Months Ended
	Mar. 09, 2021	Feb. 18, 2021	Feb. 12, 2021	May 24, 2020	Jan. 01, 2020	Jul. 31, 2021	Jan. 31, 2021	Sep. 30, 2020	Sep. 30, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Common stock, shares authorized (in shares)									100,000,000	100,000,000
Common stock, par or stated value per share (in usd per share)									$ 0.0001	$ 0.0001
Preferred stock, shares authorized (in shares)									1,000,000
Preferred stock, par or stated value per share (in usd per shares)									$ 0.0001
2021 Public Offering
Class of Stock [Line Items]
Number of shares sold (in shares)			1,783,500
Share price (in usd per share)			$ 12.00
Proceeds from sale of shares, net of underwriters discounts and commissions			$ 19,800,000
Over-allotment Option
Class of Stock [Line Items]
Number of shares sold (in shares)			267,525
Share price (in usd per share)			$ 11.28
Period to purchase additional shares			30 days
Proceeds from sale of shares, net of underwriters discounts and commissions		$ 3,000,000
Omnibus Incentive Plan 2019
Class of Stock [Line Items]
Number of additional shares authorized under share-based compensation plan (in shares)	600,000			500,000
Common stock, capital shares reserved for future issuance (in shares)	2,250,000			1,650,000
ESPP | Employee Stock
Class of Stock [Line Items]
Purchase price of common stock, percent of market price (no less than)					85.00%
Maximum employee subscription percentage					10.00%
Maximum contribution amount					$ 5,000
Offering period					6 months
Discount percentage from market price, beginning of purchase period					15.00%
Award vesting period					6 months
Number of shares authorized (in shares)					500,000
Shares issued (in shares)						16,140	8,928	39,753
Shares remaining available for future issuance (in shares)									444,107
$15 Exercise Price Sponsor Warrants
Class of Stock [Line Items]
Exercise price of warrants (in usd per share)									$ 15	$ 15.00