Related Party Transactions (Details) - USD ($) $ / shares in Units, $ in Thousands				9 Months Ended	12 Months Ended
	Sep. 21, 2021	Mar. 18, 2020	Mar. 18, 2013	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Mar. 31, 2021	Mar. 18, 2018
Related Party Transaction [Line Items]
Exercise price of warrants (in dollars per share)				$ 3.12	$ 3.12	$ 0
Affiliated Entity | Management Agreement
Related Party Transaction [Line Items]
Annual management fees			$ 300
Expenses from management contract					$ 100	$ 200
Management agreement, term		5 years
Management agreement, renewal term		1 year
Equity ownership percent to terminate agreement								50.00%
Taglich Brothers, Inc.
Related Party Transaction [Line Items]
Percentage of payment of selling commissions	8.00%
Payment of placement agent offering costs	$ 44
Number of warrants purchased (in shares)	156,320
Warrants and rights outstanding	5 years
Exercise price of warrants (in dollars per share)	$ 3.12
Engauge Workforce Solutions LLC ("Engauge")
Related Party Transaction [Line Items]
Expenses from management contract				$ 800
Agreement term							12 months
Written notice term							60 days