9. Remediation (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Details
Remediation expense reduction in accrual	$ 111,000
Accrued remediation costs	464,109	$ 928,000
Payments for remediation	300,000
Remediation expense	2,891
Accrued remediation costs	$ 464,109	$ 928,000