Notes Payable, Preferred Stock and Stock Purchase Warrants - Interest expense (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Long term debt
Interest	$ 3,279	$ 3,438
Debt Discount and Fees	5,545	4,501
Issuance Costs	181	138
Loss on Extinguishment		3,183
Total Interest Expense	$ 9,005	$ 11,260
2023 Notes
Long term debt
Effective Interest Rate	5.25%	5.25%
Interest	$ 412	$ 412
Debt Discount and Fees	673	614
Total Interest Expense	$ 1,085	$ 1,026
2025 Notes.
Long term debt
Effective Interest Rate	5.25%	5.25%
Interest	$ 1,330	$ 1,372
Debt Discount and Fees	2,625	2,210
Issuance Costs	44	36
Loss on Extinguishment		3,183	$ 3,200
Total Interest Expense	$ 3,999	$ 6,801
PHC Notes
Long term debt
Effective Interest Rate	8.00%	9.50%
Interest	$ 1,531	$ 1,625
Debt Discount and Fees	2,246	1,677
Issuance Costs	137	102
Total Interest Expense	$ 3,914	$ 3,404
PPP Loan
Long term debt
Effective Interest Rate	1.00%	1.00%
Interest	$ 6	$ 29
Total Interest Expense	$ 6	$ 29