Note 1 - Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Amortization of Capitalized Contract Cost [Table Text Block]

	Three months ended September 30, 2021		Three months ended September 30, 2020		Nine months ended September 30, 2021		Nine months ended September 30, 2020
	(In thousands)
Direct Expenses	$	40	$	43	$	113	$	221
Selling, general and administrative expenses		596		693		1,960		2,317
Total amortization	$	636	$	736	$	2,073	$	2,538

Financing Receivable, Allowance for Credit Loss [Table Text Block]

	Balance at Beginning of Period		Bad Debt Expense (Benefit)		Write-offs		Recoveries		Balance at End of Period
Nine months ended September 30, 2021	$	120	$	38	$	74	$	10	$	94
Nine months ended September 30, 2020	$	144	$	41	$	80	$	21	$	126

Fair Value, by Balance Sheet Grouping [Table Text Block]

	Level 1		Level 2		Level 3		Total
	(In thousands)
As of September 30, 2021
Money Market Funds	$	5,274	$	-	$	-	$	5,274
Total Cash Equivalents	$	5,274	$	-	$	-	$	5,274
As of December 31, 2020
Money Market Funds	$	5,015	$	–	$	–	$	5,015
Total Cash Equivalents	$	5,015	$	–	$	–	$	5,015

	September 30, 2021		December 31, 2020
	(In thousands)
Total carrying amount of long-term debt	$	27,664	$	30,713
Estimated fair value of long-term debt	$	29,114	$	32,943