SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2016

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Schedule of shares not included in computation of diluted loss per share because they are anti-dilutive

	December 31, 2016	December 31, 2015	December 31, 2014
Warrants	89,535,000	89,535,000	9,535,000
Shares Issued upon conversion of Senior Notes	5,910,000	5,910,000	8,535,000
Stock Options	—	45,002	271,112
Unvested Stock Awards	1,105,435	1,658,673	1,723,328
Stock Appreciation Rights	1,269,101	1,402,186	1,923,144

Property and equipment, depreciation, estimated useful life

Field equipment	Four to ten years
Office furniture, fixtures, and equipment	Five to seven years
Vehicles	Three to five years
Leasehold improvements	Three years or the term of the lease, whichever is shorter
Residential trailers	Ten to twenty years
Buildings and improvements	Ten to twenty seven and one-half years