Note 4 - Fair Values of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2021

Fair Value Disclosures [Abstract]

Schedule of carrying amounts and fair values of our financial assets and liabilities

	December 31, 2021				December 31, 2020
	Carrying		Fair		Carrying		Fair
(In thousands)	Amount		Value		Amount		Value
Financial Assets:
Cash and cash equivalents	$	21,891	$	21,891	$	5,300	$	5,300
Accounts receivable		44,453		44,453		20,299		20,299
Other current assets - restricted cash		915		915		1,410		1,410
Financial liabilities:
Accounts payable		(15,346)		(15,346)		(11,742)		(11,742)
Debt		(19,073)		(19,073)		(17,450)		(17,450)
Senior notes, excluding discounts of $2,137		(34,500)		(37,978)		—		—
Other current liabilities - financed insurance payable		(280)		(280)		(862)		(862)