Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

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, 2019, 2018 and 2017 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 31,2019	$	759	$	578	$	—	$	(666)	$	671
December 31,2018	$	727	$	444	$	25	$	(437)	$	759
December 31,2017	$	518	$	333	$	181	$	(305)	$	727

Property and equipment

Property and equipment consisted of the following:

	Estimated	December 31,
	Useful Life	2019		2018
		(In thousands)
Land and land improvements	—	$	14,693	$	14,402
Buildings	31.5 years		37,984		35,812
Towers and antennae	7-15 years		24,762		25,959
Equipment	3-15 years		54,321		53,752
Furniture, fixtures and leasehold improvements	7-20 years		7,169		6,740
Vehicles	5 years		3,474		3,555
			142,403		140,220
Accumulated depreciation			(83,692)		(81,117)
Net property and equipment		$	58,711	$	59,103

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,
	2019		2018		2017
	(In thousands, except per share data)
Numerator:
Income from continuing operations	$	13,279	$	13,690	$	22,246
Less: Income allocated to unvested participating securities		292		256		370
Income from continuing operations available to common stockholders	$	12,987	$	13,434	$	21,876
Income from discontinued operations	$	—	$	—	$	32,471
Less: Income allocated to unvested participating securities		—		—		541
Income from discontinued operations available to common stockholders	$	—	$	—	$	31,930
Net income available to common stockholders	$	12,987	$	13,434	$	53,806
Denominator:
Denominator for basic earnings per share-weighted average shares		5,834		5,829		5,803
Effect of dilutive securities:
Stock options		—		—		4
Denominator for diluted earnings per share — adjusted weighted-average shares and assumed conversions		5,834		5,829		5,807
Basic earnings per share:
From continuing operations	$	2.23	$	2.30	$	3.77
From discontinued operations		—		—		5.50
Basic earnings per share	$	2.23	$	2.30	$	9.27
Diluted earnings per share
From continuing operations	$	2.23	$	2.30	$	3.77
From discontinued operations		—		—		5.50
Diluted earnings per share	$	2.23	$	2.30	$	9.27