Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Summary of Significant Accounting Policies

Activity in the allowance for doubtful accounts

A provision for doubtful accounts is recorded based on our judgment of the collectability of receivables. Amounts are written off when determined to be fully uncollectible. Delinquent accounts are based on contractual terms. The activity in the allowance for doubtful accounts during the years ended December 31, 2021, 2020 and 2019 was as follows:

							Write Off of
	Balance		Charged to		Allowance		Uncollectible		Balance at
	at Beginning		Costs and		From		Accounts, Net of		End of
Year Ended	of Period		Expenses		Acquisitions		Recoveries		Period
	(in thousands)
December 31, 2021	$	648	$	56	$	—	$	(235)	$	469
December 31, 2020	$	671	$	420	$	—	$	(443)	$	648
December 31, 2019	$	759	$	578	$	—	$	(666)	$	671

Property and equipment

Property and equipment consisted of the following:

	Estimated		December 31,
	Useful Life		2021		2020
	(In thousands)
Land and land improvements		—	$	14,638	$	14,559
Buildings		31.5 years		38,225		38,059
Towers and antennae		7-15 years		25,918		25,976
Equipment		3-15 years		55,955		53,547
Furniture, fixtures and leasehold improvements		7-20 years		7,129		7,189
Vehicles		5 years		2,854		3,350
				144,719		142,680
Accumulated depreciation				(91,375)		(87,795)
Net property and equipment			$	53,344	$	54,885

Schedule of Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share:

	Years Ended December 31,
	2021		2020		2019
	(In thousands, except per share data)
Numerator:
Net income (loss)	$	11,157	$	(1,913)	$	13,279
Less: Income (loss) allocated to unvested participating securities		190		(21)		292
Net income (loss) available to common stockholders	$	10,967	$	(1,892)	$	12,987
Denominator:
Denominator for basic earnings per share — weighted average shares		5,917		5,871		5,834
Effect of dilutive securities:
Common stock equivalents		—		—		—
Denominator for diluted earnings per share — adjusted weighted-average shares and assumed conversions		5,917		5,871		5,834
Earnings (loss) per share:
Basic	$	1.85	$	(0.32)	$	2.23
Diluted	$	1.85	$	(0.32)	$	2.23