6.   INTANGIBLE ASSETS

Intangible assets consist of the following:

SCHEDULE OF INTANGIBLE ASSETS 

During the year ended December 31, 2019, the Company determined the carrying value of its trademarks and patents was not recoverable and, as a result, recorded an impairment charge of $83 which was included within general and administrative expenses on the consolidated statement of operations.

Amortization expense during the years ended December 31, 2021, 2020, and 2019 were $938, $61, and $89, respectively.

Changes in the balance of intangible assets and goodwill reflected on the balance sheet are the result of the impact of the change in foreign currency exchange rates.

See Note 3 - Business Combination and Note 7- Goodwill for additional details.

The estimated future amortization expense is as follows:

SCHEDULE OF ESTIMATED FUTURE AMORTIZATION EXPENSE 

BLINK CHARGING CO. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

FOR THE YEARS ENDED DECEMBER 31, 2021, 2020 and 2019

(in thousands except for share and per share amounts)