8. Long - Term Debt (Details) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Total debt	$ 911,241	$ 1,129,199
Less current portion	(184,235)	(126,984)
Noncurrent portion	727,006	1,002,215
BMT Leasing
Total debt	13,845	0
Thermo Fisher Financial Services
Total debt	0	5,583
Stearns Bank
Total debt	24,328	41,117
Western States Equipmen tCo
Total debt	23,598	34,861
Catepillar Finance
Total debt	12,689	16,440
De Lage Landen Financial Services
Total debt	11,607	13,945
Phyllis Rice
Total debt	31,808	33,808
De Lage Landen Financial Services 1
Total debt	5,543	8,797
Catepillar Finance 1
Total debt	2,265	5,921
De Lage Landen Financial Services 2
Total debt	141	4,186
Soyatal Mine
Total debt	785,417	762,541
Robert Detwiler
Total debt	0	0
Robert Detwiler 1
Total debt	$ 0	$ 82,000