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5. Inventories (Details) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Inventories Details    
Raw materials $ 367,719us-gaap_InventoryRawMaterials $ 362,656us-gaap_InventoryRawMaterials
Work in progress 345,314us-gaap_InventoryWorkInProcess 79,012us-gaap_InventoryWorkInProcess
Finished goods 529,754us-gaap_InventoryFinishedGoods 523,556us-gaap_InventoryFinishedGoods
Total $ 1,242,787us-gaap_InventoryNet $ 965,224us-gaap_InventoryNet