The following tables present details of our unaudited condensed consolidated balance sheets as of June 30, 2020 and December 31, 2019:


(In thousands)	June 30, 2020		December 31, 2019
Notes receivable, net
ValidSoft	$	503	$	512
Yonder Media Mobile	—		3,355
Notes receivable	503		3,867
Current portion of notes receivable	503		3,867
Reserve against current portion of notes receivable	—		(3,355)
Notes receivable, net	$	503	$	512

The ValidSoft note bears interest at 5.0% annually and, pursuant to an amendment, matured on March 31, 2021. On April 6, 2021, the Company entered into an agreement with ValidSoft to accept $0.3 million as payment in full, which was received in the second quarter of 2021.

The Company extended a $0.5 million promissory note receivable to Yonder Media Mobile (“Yonder Media”) in 2018, bearing interest at 6.0% annually and maturing on May 26, 2020. In the first quarter of 2019, the Company extended three additional promissory notes receivable to Yonder Media aggregating $2.7 million with interest rates of 12.0% annually, with all principal and interest due on the maturity dates, which ranged from July 2020 to August 2020.

In July 2019, the Company and Yonder Media became involved in a legal dispute and the Company recorded a reserve of $3.4 million, representing the principal and accrued interest outstanding under the promissory notes as of June 30, 2019. In July 2020, the Company settled all the principal amounts due under the promissory notes by conversion of the amounts outstanding into shares of Yonder Media.


(In thousands)	June 30, 2020		December 31, 2019
Prepaid expenses and other current assets
Prepaid insurance and legal fees	$	463	$	762
Prepaid software license and support	791		890
Prepaid corporate taxes	184		214
Prepaid expenses-other	708		714
Valued added tax	543		591
Other receivables	67		451
Other assets	326		831
Prepaid expenses and other current assets	$	3,082	$	4,453


(In thousands)	June 30, 2020		December 31, 2019
Property, equipment, and software development, net
Furniture and fixtures	$	171	$	171
Computer, communications, and network equipment	17,535		17,450
Construction in progress	105		—
Software	4,159		4,150
Automobiles	13		13
Leasehold improvements	25		131
Software development	11,777		8,552
Property, equipment, and software development, at cost	33,785		30,467
Accumulated depreciation and amortization	(27,887)		(24,205)
Property, equipment, and software development, net	$	5,898	$	6,262

For the six months ended June 30, 2020 and 2019 expenditures for property, equipment, and software development were $3.7 million and $2.6 million, respectively; and depreciation and amortization recognized on property, equipment, and software development was $4.0 million and $2.2 million, respectively.


	As of June 30, 2020
(In thousands)	Gross Carrying Amount		Accumulated Amortization		Accumulated Impairment		Foreign Currency Translation Adjustments		Intangible Assets, Net
Intangible assets, net
Developed technology	$	26,829	$	(5,301)	$	(14,651)	$	(622)	$	6,255
Consumer relationships	25,300		(3,190)		(14,434)		(512)		7,164
Trade names	3,544		(969)		(1,757)		(102)		716
Total	$	55,673	$	(9,460)	$	(30,842)	$	(1,236)	$	14,135


	As of December 31, 2019 (As Revised)
(In thousands)	Gross Carrying Amount		Accumulated Amortization		Accumulated Impairment		Foreign Currency Translation Adjustments		Intangible Assets, Net
Intangible assets, net
Developed technology	$	26,829	$	(4,800)	$	(14,651)	$	(623)	$	6,755
Consumer relationships	25,300		(2,409)		(14,434)		(511)		7,946
Trade names	3,544		(885)		(1,757)		(103)		799
Total	$	55,673	$	(8,094)	$	(30,842)	$	(1,237)	$	15,500

Amortization of intangible assets in the six months ended June 30, 2020 and 2019 was $1.4 million and $3.5 million, respectively.

The following table provides the estimated future amortization expense related to intangible assets held as of June 30, 2020:


(In thousands)
2020 (excluding the six months ended June 30, 2020)	$	1,138
2021	2,765
2022	2,715
2023	2,715
2024	2,715
Thereafter	2,087
Total	$	14,135


(In thousands)
Goodwill
Balance, December 31, 2018 (As Revised)	$	100,428
Business combinations	37,821
Impairment	(125,923)
Foreign currency translation adjustment	(2,227)
Balance, December 31, 2019 (As Revised)	10,099
Foreign currency translation adjustment	12
Balance, June 30, 2020	$	10,111


(In thousands)	June 30, 2020		December 31, 2019
Accrued expenses and other payables
Accrued selling, general and administrative expenses	$	2,692	$	2,720
Accrued salary and bonus	398		2,005
Accrued employee benefits	852		564
Accrued cost of service	970		627
Accrued taxes (including VAT)	3,290		2,637
Accrued interest payable	142		53
Accrued customer credit	2,018		3,393
Other accrued expenses	2,330		1,617
Accrued expenses and other payables	$	12,692	$	13,616