| 12. COMMITMENTS AND CONTINGENCIES (Details Narrative) (USD $) | 3 Months Ended | |
|---|---|---|
| Mar. 31, 2013 | Mar. 31, 2012 | |
| Commitments and Contingencies Disclosure [Abstract] | ||
| Rental expenses | $ 129,320 | $ 133,040 | 
| Rental income received | $ 32,332 | $ 31,389 | 
| X | ||||||||||
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- Details 
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| X | ||||||||||
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- Definition Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses. No definition available. 
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| X | ||||||||||
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- Definition Income earned by providing the use of assets to an outside party in exchange for a payment or series of payments that is nonoperating in nature. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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