Summary of Significant Accounting Policies and Going Concern - Segment Reporting - Geographic Revenue (Details) - USD ($) $ in Thousands	3 Months Ended								6 Months Ended		9 Months Ended		12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2021	Dec. 31, 2020	Mar. 31, 2022	Mar. 31, 2021
Geographic revenue information
Total Revenue	$ 16,049	$ 17,808	$ 17,640	$ 12,467	$ 18,135	$ 16,697	$ 13,710	$ 19,065	$ 30,107	$ 32,775	$ 47,915	$ 49,472	$ 63,964	$ 67,607
Total North America
Geographic revenue information
Total Revenue													34,575	37,472
United States
Geographic revenue information
Total Revenue													30,269	33,332
Mexico
Geographic revenue information
Total Revenue													3,706	3,836
All other North America
Geographic revenue information
Total Revenue													600	304
Total Europe
Geographic revenue information
Total Revenue													14,253	16,133
Russia
Geographic revenue information
Total Revenue													3,381	3,107
All other Europe
Geographic revenue information
Total Revenue													10,872	13,026
Asia
Geographic revenue information
Total Revenue													5,978	6,342
Australia
Geographic revenue information
Total Revenue													4,195	3,297
All other
Geographic revenue information
Total Revenue													$ 4,963	$ 4,363