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Other Long-term Liabilities (Details) (USD $)	0 Months Ended
Other Long-term Liabilities (Details) (USD $)	Jul. 30, 2008	Dec. 31, 2012	Dec. 31, 2011
Other Liabilities [Line Items]
Deferred revenue, noncurrent, related to certain staffing requirements		$ 275,000	$ 275,000
Paint and Coatings
Other Liabilities [Line Items]
Long-term purchase commitment, amount	4,800,000.0
Cash received from supplier as discount toward future purchases	300,000
Liability related to deferred discount	$ 300,000	$ 227,000	$ 253,000

The noncurrent portion of deferred revenue amount as of balance sheet date. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized, and is not expected to be recognized in the next twelve months. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

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