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Note 13 - Prepayment for Purchasing of Software Technology
 12 Months Ended
Dec. 31, 2016
Notes to Financial Statements  
Deposits for Purchasing Assets [Text Block]
13.
 Prepayment for purchasing of software technology
 
As of
December
31,
2015,
the prepayment of
US$1.02
million was made for purchasing a cloud video management system from an unaffiliated
third
party, which system has been transferred to intangible assets account during the
fourth
quarter of
2016
upon completion of the test trials.