Note 8 - Debt - Current and Long-term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Debt, current	$ 18,897	$ 5,722
Debt, noncurrent	90,367	20,347
Principal portion of finance lease obligations, secured by related revenue equipment, current	5,326	6,848
Principal portion of finance lease obligations, secured by related revenue equipment, noncurrent	432	3,969
Principal portion of operating lease obligations, secured by related equipment	18,179	15,811
Principal portion of operating lease obligations, secured by related equipment	46,428	21,554
Total debt and lease obligations	42,402	28,381
Total debt and lease obligations	137,227	45,870
Finance Lease Secured by Related Revenue Equipment [Member]
Principal portion of finance lease obligations, secured by related revenue equipment, current	5,326	6,848
Principal portion of finance lease obligations, secured by related revenue equipment, noncurrent	432	3,969
Operating Lease Secured By Related Equipment [Member]
Principal portion of operating lease obligations, secured by related equipment	18,179	15,811
Principal portion of operating lease obligations, secured by related equipment	46,428	21,554
Draw Note [Member]
Credit facility, current	0	0
Credit facility, noncurrent	0	0
Revenue Equipment Installment Notes [Member]
Debt, current	17,656	4,537
Debt, noncurrent	71,267	2
Real Estate Note [Member]
Debt, current	1,241	1,185
Debt, noncurrent	19,100	20,345
Revolving Credit Facility [Member]
Credit facility, current	0	0
Credit facility, noncurrent	$ 0	$ 0

Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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