BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2012

period that the plant is operated by the Company (see Note 8). The other assets are depreciated using the straight-line method over the following estimated useful lives of the assets:


Leasehold improvements			15-20 years
Machinery and equipment — manufacturing and drilling			10 years
Machinery and equipment — computers			3-5 years
Office equipment — furniture and fixtures			5-15 years
Office equipment — other			5-10 years
Automobiles			5-7 years

Reconciliation of Number of Shares Used in Computation of Basic and Diluted Earnings Per Share

The table below shows the reconciliation of the number of shares used in the computation of basic and diluted earnings per share:


	Year Ended December 31,
	2012		2011		2010
	(In thousands)
Weighted average number of shares used in computation of basic earnings (loss) per share		45,431		45,431		45,431
Add:
Additional shares from the assumed exercise of employee stock awards		—		—		21

Weighted average number of shares used in computation of diluted earnings (loss) per share		45,431		45,431		45,452