Note 5. Commitments and Contingencies (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2017	Dec. 31, 2016
Operating Leases, Rent Expense, Net	$ 27,300	$ 29,300	$ 85,800	$ 94,000
Deerpoint Development Co., Ltd
Operating Leases, Rent Expense, Minimum Rentals						$ 40,764
Stock Issued During Period, Shares, Other				16,106
Operating Leases, Rent Expense, Net	10,200	10,200	30,600	$ 33,200
A-C Valley Industrial Park
Operating Leases, Rent Expense, Net	3,000	3,000	9,000	$ 9,000
D&B Colon Leasing, LLC
Stock Issued During Period, Shares, Other				20,997
Operating Leases, Rent Expense, Net	0	0	0	$ 3,600
Caterpillar Financial
Operating Leases, Rent Expense, Minimum Rentals					$ 28,400	37,900
Operating Leases, Rent Expense, Net	9,465	9,465	28,395	28,395
Timothy R. Kasmoch
Officers' Compensation						150,000
Operating Leases, Rent Expense, Net	6,600	$ 6,600	19,800	$ 19,800
Robert W. Bohmer
Officers' Compensation						57,200
James K. McHugh
Officers' Compensation						$ 125,000
Key employees (officers)
Deferred Compensation Liability, Current	191,000		191,000
Due to Officers or Stockholders, Current	$ 314,000		$ 314,000