Note 5 - Other Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

	December 31,
	2020		2019
Carrier access bills receivable	$	237	$	235
National Exchange Carrier Association receivable		1,233		1,257
Receivables from Alabama Service Fund		34		40
Other miscellaneous		869		373
	$	2,373	$	1,905