9) Income Taxes: Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Details
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount									$ 2,928,226	$ 5,497,882
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount									156,499	(473,911)
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount									194,364	0
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount									(228,673)	(529,660)
Income Tax Expense (Benefit)	$ 262,378	$ 1,142,408	$ 1,143,789	$ 501,841	$ (889,013)	$ 198,052	$ 924,014	$ 4,261,258	$ 3,050,416	$ 4,494,311