CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Accounts receivable, allowance for credit loss, current	$ 1.2	$ 0.8
Liquidation preference (usd per share)	$ 10.00
Common stock, par value (in usd per share)	$ 0.0001	$ 0.0001
Common stock, authorized (in shares)	30,000,000	30,000,000
Common stock, issued (in shares)	15,029,410	5,805,916
Common stock, outstanding (in shares)	15,029,410	5,805,916
Treasury stock (in shares)	258,849	258,849
Series A Preferred Stock
Preferred stock, par value (in usd per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, liquidation preference (in shares)	8,000,000	8,000,000
Liquidation preference (usd per share)	$ 10.00	$ 10.00
Preferred stock, shares issued (in shares)	1,915,637	1,915,637
Preferred stock, outstanding (in shares)	1,915,637	1,915,637
Series C Preferred Stock
Preferred stock, par value (in usd per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized (in shares)	25,000	25,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0