7. Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2019

Equity [Abstract]

Accumulated other comprehensive income (loss)

	Available-for-sale securities
Balance as of January 1, 2018	$	–
Other comprehensive income before reclassifications		369,610
Amounts reclassified from AOCI into interest income		(342,431	)
Balance as of December 31, 2018	$	27,179

	Available-for-sale securities
Balance as of January 1, 2019	$	27,179
Other comprehensive income before reclassifications		1,009,514
Amounts reclassified from AOCI into interest income		(856,754	)
Balance as of December 31, 2019	$	179,939