CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS EQUITY - USD ($) $ in Thousands	Total	Series A Preferred Stock	Common Stock	Paid-in Capital in Excess of Par Value	Accumulated Deficit
Beginning Balance at Dec. 31, 2019	$ (102,490)		$ 944	$ (103,434)
Beginning Balance (Shares) at Dec. 31, 2019			94,447,356
Issuance of Series A Preferred Stock	8,800			8,800
Issuance of Series A Preferred Stock (in shares)		176
Exchange of Series A Preferred Stock for Common Stock			$ 121	(121)
Exchange of Series A Preferred Stock for Common Stock (in shares)		(176)	12,054,795
Issuance of Common stock	8,200		$ 112	8,088
Issuance of Common Stock (in shares)			11,232,877
Common stock awards under incentive plans	1,436		$ 1	1,435
Common stock awards under incentive plans (in shares)			136,113
Net loss	(8,359)				$ (8,359)
Ending Balance at Dec. 31, 2020	(92,413)		$ 1,178	(85,232)	(8,359)
Ending Balance (in shares) at Dec. 31, 2020			117,871,141
Common stock awards under incentive plans	2,036		$ 4	2,032
Common stock awards under incentive plans (in shares)			454,159
Common stock repurchased related to incentive plans	(86)			(86)
Common stock repurchased related to incentive plans (in shares)			(34,700)
Net loss	(55,279)				(55,279)
Ending Balance at Dec. 31, 2021	$ (145,742)		$ 1,182	$ (83,286)	$ (63,638)
Ending Balance (in shares) at Dec. 31, 2021			118,290,600