Detail of Selected Balance Sheet Accounts

12 Months Ended

Dec. 31, 2019

Detail Of Selected Balance Sheet Accounts

Detail of Selected Balance Sheet Accounts

3. Detail of Selected Balance Sheet Accounts

Accounts Receivable

The following table summarizes the changes in the allowance for doubtful accounts for the past three years:

	2019			2018			2017
	(In thousands)
Balance at beginning of year	$	182		$	172		$	151
Bad debt expense		119			73			68
Write-offs, net of recoveries		(90	)		(63	)		(47	)
Balance at end of year	$	211		$	182		$	172

Inventories

The following table summarizes the changes in the inventory reserves for the past three years: 

	2019			2018			2017
	(In thousands)
Balance at beginning of year	$	3,709		$	3,925		$	4,366
Provision for inventory write-downs		515			615			34
Deduction for inventory write-offs		(640	)		(831	)		(475	)
Balance at end of year	$	3,584		$	3,709		$	3,925

Property and Equipment, net

Property and equipment are stated at cost and consist of:

	At December 31,
	2019			2018
	(In thousands)
Land	$	2,476		$	2,476
Buildings		8,712			8,501
Machinery and equipment (1)		19,199			14,867
		30,387			25,844
Less accumulated depreciation		(15,798	)		(14,388	)
Total	$	14,589		$	11,456

(1) This includes finance leases. See Note 11 for more details.

Intangible assets

Intangible assets consist of:	At December 31,
	2019			2018
	(In thousands)
Tradenames	$	5,816		$	5,936
Customer relationships		18,620			18,620
		24,436			24,556
Less accumulated amortization:
Tradenames		—			—
Customer relationships		(14,154	)		(13,377	)
		(14,154	)		(13,377	)
Total	$	10,282		$	11,179

As of December 31, 2019, accumulated amortization on the acquired intangible assets was $14.2 million, and amortization expense was $0.8 million in the years ended December 31, 2019 and 2018 and $1.4 million in the year ended December 31, 2017. Future amortization expense to be recognized on the acquired intangible assets is expected to be as follows:

	Annual Amortization Expense
	(In thousands)
2020	$	777
2021		777
2022		777
2023		777
2024		777
2025		583

Goodwill 

	At December 31,
	2019		2018
	(In thousands)
Balance at beginning of year	$	22,353	$	22,353
Less purchase price adjustment		—		—
Balance at end of year (1)	$	22,353	$	22,353

(1) The balance is net of $12.6 million of accumulated impairment losses, of which none were recorded in 2019 or 2018.

Accrued and Other Current Liabilities

Accrued and other current liabilities consist of:	At December 31,
	2019		2018
	(In thousands)
Customer rebates	$	4,979	$	6,163
Payroll, commissions, and bonuses		1,930		3,047
Accrued inventory purchases		11,122		5,140
Property taxes		977		1,041
Freight		464		689
Refund liability		1,182		435
Professional fees		399		415
Accrued interest		248		259
Lease obligations		593		71
Other		1,367		1,972
Total	$	23,261	$	19,232