The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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PROPERTY AND EQUIPMENT (Details) (USD $)	12 Months Ended
PROPERTY AND EQUIPMENT (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
PROPERTY AND EQUIPMENT
Subtotal	$ 15,714,000	$ 14,089,000
Less: accumulated depreciation	(2,947,000)	(2,317,000)
Total	12,767,000	11,772,000
Proceeds from sale of inactive milling equipment and related assets in Nevada	1,700,000
Depreciation expense	1,033,000	577,000	454,000
Trucks and trailers
PROPERTY AND EQUIPMENT
Subtotal	1,417,000	1,247,000
Office furniture and equipment
PROPERTY AND EQUIPMENT
Subtotal	1,163,000	638,000
Drill rigs
PROPERTY AND EQUIPMENT
Subtotal	1,869,000	998,000
Building
PROPERTY AND EQUIPMENT
Subtotal	1,469,000	853,000
Land
PROPERTY AND EQUIPMENT
Subtotal	8,669,000	8,619,000
Mining equipment
PROPERTY AND EQUIPMENT
Subtotal	1,026,000	956,000
Inactive milling equipment
PROPERTY AND EQUIPMENT
Subtotal	$ 101,000	$ 778,000