XML 28 R30.htm IDEA: XBRL DOCUMENT

Property and Equipment - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2012	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Depreciation expense		$ 213	$ 368
Proceeds From Sale Of Machinery and Equipment	70	70	0
Impairment Of Machinery and Equipment			$ 27

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References+ Details

- Definition

The cash inflow from sale of machinery and equipment.

+ References+ Details