Notes Payable, Senior Secured Promissory Note Payable, in Default (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020	Aug. 06, 2020
Senior Secured Promissory Notes Payable [Abstract]
Amortization expense			$ 240	$ 214
Accrued interest	$ 1,944		1,944		$ 1,021
Interest expense	$ 1,781	$ 690	$ 4,340	$ 878
Senior Secured Note and Warrants [Member] | NH Expansion Credit Fund Holdings LP [Member]
Senior Secured Promissory Notes Payable [Abstract]
Principal amount						$ 15,000
Additional default accrued interest rate	5.00%		5.00%
Senior Secured Note [Member]
Senior Secured Promissory Notes Payable [Abstract]
Principal amount	$ 15,000		$ 15,000		15,000
Senior Secured Note [Member] | NH Expansion Credit Fund Holdings LP [Member]
Senior Secured Promissory Notes Payable [Abstract]
Amortization expense	228		683
Accrued interest	1,300		1,300		$ 642
Interest expense	$ 804		$ 2,300