Note 1 - Business and Significant Accounting Policies (Details) - Property, Plant, and Equipment Estimated Useful Lives	12 Months Ended
	Dec. 31, 2014
Leasehold Improvements [Member] | Minimum [Member]
Note 1 - Business and Significant Accounting Policies (Details) - Property, Plant, and Equipment Estimated Useful Lives [Line Items]
Property, plant and equipment useful life	15 years
Leasehold Improvements [Member] | Maximum [Member]
Note 1 - Business and Significant Accounting Policies (Details) - Property, Plant, and Equipment Estimated Useful Lives [Line Items]
Property, plant and equipment useful life	20 years
Manufacturing and Drilling Machinery and Equipment [Member]
Note 1 - Business and Significant Accounting Policies (Details) - Property, Plant, and Equipment Estimated Useful Lives [Line Items]
Property, plant and equipment useful life	10 years
Computer Machinery and Equipment [Member] | Minimum [Member]
Note 1 - Business and Significant Accounting Policies (Details) - Property, Plant, and Equipment Estimated Useful Lives [Line Items]
Property, plant and equipment useful life	3 years
Computer Machinery and Equipment [Member] | Maximum [Member]
Note 1 - Business and Significant Accounting Policies (Details) - Property, Plant, and Equipment Estimated Useful Lives [Line Items]
Property, plant and equipment useful life	5 years
Furniture and Fixtures [Member] | Minimum [Member]
Note 1 - Business and Significant Accounting Policies (Details) - Property, Plant, and Equipment Estimated Useful Lives [Line Items]
Property, plant and equipment useful life	5 years
Furniture and Fixtures [Member] | Maximum [Member]
Note 1 - Business and Significant Accounting Policies (Details) - Property, Plant, and Equipment Estimated Useful Lives [Line Items]
Property, plant and equipment useful life	15 years
Other Office Equipment [Member] | Minimum [Member]
Note 1 - Business and Significant Accounting Policies (Details) - Property, Plant, and Equipment Estimated Useful Lives [Line Items]
Property, plant and equipment useful life	5 years
Other Office Equipment [Member] | Maximum [Member]
Note 1 - Business and Significant Accounting Policies (Details) - Property, Plant, and Equipment Estimated Useful Lives [Line Items]
Property, plant and equipment useful life	10 years
Automobiles [Member] | Minimum [Member]
Note 1 - Business and Significant Accounting Policies (Details) - Property, Plant, and Equipment Estimated Useful Lives [Line Items]
Property, plant and equipment useful life	5 years
Automobiles [Member] | Maximum [Member]
Note 1 - Business and Significant Accounting Policies (Details) - Property, Plant, and Equipment Estimated Useful Lives [Line Items]
Property, plant and equipment useful life	7 years