Supplemental Balance Sheet Information (in thousands)

	December 31,
Accounts receivable, net, consists of the following:	2020			2019

Trade	$	37,502		$	38,558
Unbilled		7,369			8,423
Non-trade		2,606			2,756
		47,477			49,737
Less allowance for doubtful accounts		(563	)		(438	)
Accounts Receivable, net	$	46,914		$	49,299

	December 31,
Property and equipment consist of the following:	2020			2019

Equipment	$	4,322		$	4,062
Furniture and fixtures		2,307			2,319
Leasehold improvements		326			308
Capitalized software development costs		14,680			13,549
		21,635			20,238
Less accumulated depreciation and amortization		(18,840	)		(17,390	)
Property and equipment, net	$	2,795		$	2,848

	United States		International			Total
Goodwill:
Balance December 31, 2019	$	3,150	$	634		$	3,784
Change in goodwill due to impact of foreign currency		–		(24	)		(24	)
Balance December 31, 2020	$	3,150	$	610		$	3,760

	December 31,
Intangible assets consist of the following:	2020			2019

Customer contracts and lists	$	2,731		$	2,731
Trade names		900			900
Patents		870			870
Non compete		520			520
		5,021			5,021
Less accumulated amortization		(2,766	)		(2,225	)
Intangible assets, net	$	2,255		$	2,796

Intangible assets consist primarily of customer contracts and lists, trade names, patents and non-compete agreements, all of which have a finite useful life. Intangible assets are amortized based on either the pattern in which the economic benefits of the intangible assets are estimated to be realized or on a straight-line basis, which approximates the manner in which the economic benefits of the intangible asset will be consumed. Amortization is generally

not

deductible for tax purposes.

The Company is amortizing its intangible assets of

$5.0

million over lives ranging from

years. Amortization expense for the years ended

December 31, 2020

and

2019

was approximately

$534,000

and

$476,000,

respectively. The annual amortization for each of the following years succeeding

December 31, 2020

, is summarized as follows:

Year	Amount
2021		508
2022		419
2023		280
2024		218
2025		133
Thereafter		697
Total	$	2,255

	December 31,
Accrued expenses and other current liabilities:	2020		2019

Taxes payable	$	6,053	$	2,788
Accrued salaries and wages		7,632		9,248
Accrued accounting and legal expenses		1,389		1,944
Litigation settlement		650		1,200
Accrued third party labor		1,795		2,010
Other		1,226		1,358
Accrued expenses and other current liabilities	$	18,745	$	18,548