10. Income Taxes: Reconciliation of federal statutory income tax rate to our effective income tax rate (Details) - USD ($) |
12 Months Ended | |
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Dec. 31, 2018 |
Dec. 31, 2017 |
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| Income Tax Disclosure [Abstract] | ||
| Computed expected tax expense | $ (1,515,000) | $ (2,022,000) |
| State taxes, net of federal benefit | (630,000) | (447,000) |
| Effect of tax rate changes on deferred tax assets and liabilities | 0 | 7,657,000 |
| Expiration of NOL carryforwards | 44,000 | 188,000 |
| Other | 13,000 | 37,000 |
| Change in valuation allowance | 2,088,000 | (5,413,000) |
| Total | $ 0 | $ 0 |
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- Definition Effective Income Tax Rate Reconciliation, Computed Expected Tax Expense No definition available.
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- Definition Effective Income Tax Rate Reconciliation, Expiration Of Net Operating Loss Carryforwards No definition available.
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- References No definition available.
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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