Disaggregation of Revenue - Revenue is disaggregated by major products/service lines, and timing of revenue recognition (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue
Total Revenue	$ 414,000	$ 59,000
Products and services transferred over time
Disaggregation of Revenue
Total Revenue	414,000	59,000
Licensing fees - royalty revenue
Disaggregation of Revenue
Total Revenue	$ 414,000	$ 59,000