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1. NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)	Mar. 31, 2013
Marketable securities - restricted	$ 1,813,100
Asset retirement obligation	410,000
Contingent land payment	636,700
Contingent purchase price	509,400
Total	3,369,200
Level 1
Marketable securities - restricted
Asset retirement obligation
Contingent land payment
Contingent purchase price
Total
Level 2
Marketable securities - restricted	1,813,100
Asset retirement obligation
Contingent land payment
Contingent purchase price
Total	1,813,100
Level 3
Marketable securities - restricted
Asset retirement obligation	410,000
Contingent land payment	636,700
Contingent purchase price	509,400
Total	$ 1,556,100

- Definition

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References+ Details