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Intangible and other long-term assets (Tables)

12 Months Ended

Dec. 31, 2020

Disclosure of detailed information about intangible assets [abstract]

Schedule of Balances

The balances as of December 31, 2020 and 2019 are as follows:

	2 0 2 0									Amortization period (years)
Assets	Original Value			Accumulated amortization			Net			Amortization period (years)
Republic trade mark	$	107,380		$	-		$	107,380		*
Kobe Tech contract		125,141			125,141			0		12
Customers list		65,550			65,550			0		20
Total from Republic (1)		298,071			190,691			107,380

Customers list		2,205,700			2,205,700			0		9
San 42 trademark (2)		329,600			-			329,600		*
Goodwill (2)		1,814,160			-			1,814,160		*
Total from Grupo San (3)		4,349,460			2,205,700			2,143,760
		4,647,531			2,396,391			2,251,140
Other assets		71,816			-			71,816
	$	4,719,347		$	2,396,391		$	2,322,956

	2 0 1 9									Amortization period (years)
Assets	Original Value				Accumulated amortization			Net		Amortization period (years)
Republic trade mark	$	101,657		$	-		$	101,657		*
Kobe Tech contract		118,471			118,471			-		12
Customers list		62,056			47,378			14,678		20
Total from Republic (1)		282,184			165,849			116,335

Customers list		2,205,700			2,205,700			-		9
San 42 trademark (2)		329,600			-			329,600		*
Goodwill (2)		1,814,160			-			1,814,160		*
Total from Grupo San (3)		4,349,460			2,205,700			2,143,760
		4,631,644			2,371,549			2,260,095
Other assets		75,022			-			75,022
	$	4,706,666		$	2,371,549		$	2,335,117

*

Intangible assets with undefined useful life.

(1)

Intangible assets from the Republic acquisition.

(2)

The San 42 trademark and the goodwill are presented net of impairment losses recorded in 2009 for $16,000 and $2,352,000, respectively.

(3)

Intangible assets from the Grupo San acquisition.

Schedule of Reconciliation between Opening and Closing Balances

The reconciliation between the opening and closing balances of each year is presented below:

Assets	Original Value			Accumulated amortization			Net
Balance as of December 31, 2018	$	4,672,503		$	(2,372,451)		$	2,300,052
Additions		9,880			(9,880)			-
Adjustment effect of the year		24,283			10,782			35,065
Balance as of December 31, 2019	$	4,706,666		$	(2,371,549)		$	2,335,117
Additions		11,250			(11,250)			-
Adjustment effect of the year		1,431			(13,592)			(12,161)
Balance as of December 31, 2020	$	4,719,347		$	(2,396,391)		$	2,322,956