5. Goodwill and Indefinite-Lived Intangible Assets and Other Long-Term Assets (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Reconciliation of Change in Carrying Value of Goodwill

Balance as of January 1, 2017	$	3,283,379
No changes		–
Balance as of December 31, 2017	$	3,283,379
No changes		–
Balance as of December 31, 2018	$	3,283,379