Lease Obligations (Details 2) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Lease Obligations (Tables)
Operating cash flows for operating lease	$ 49	$ 48	$ 101	$ 95