10. Income Taxes (Details) - USD ($)	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Income Taxes Details
Expected tax (credit)	$ (2,876,000)	$ (2,214,000)
State income taxes, net of federal tax benefits	(338,000)	(260,000)
Decrease in environmental liability	15,000	3,000
Increase in valuation allowance	$ 3,199,000	$ 2,471,000
Income Tax Expense Benefit Continuing Operations
Expected tax (credit), Percentage	(34.00%)	(34.00%)
State income taxes, net of federal tax benefits, Percentage	(4.00%)	(4.00%)
Decrease in environmental liability, Percentage	0.00%	0.00%
Increase in valuation allowance, Percentage	38.00%	38.00%

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage 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 changes in the valuation allowance for deferred tax assets.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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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.

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