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Other Long-term Liabilities (Details) (USD $)	3 Months Ended		0 Months Ended
Other Long-term Liabilities (Details) (USD $)	Mar. 31, 2013	Mar. 31, 2012	Jul. 30, 2008 Paint and Coatings	Mar. 31, 2013 Paint and Coatings
Other Liabilities [Line Items]
Deferred revenue, noncurrent, related to certain staffing requirements	$ 275,000
Payment to settle deferred revenue liability	52,000
Gain (loss) on settlement of deferred revenue liability	223,000	0
Long-term purchase commitment, amount			4,800,000
Cash received from supplier as discount toward future purchases			300,000
Liability related to deferred discount			$ 300,000	$ 222,248

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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