XML 28 R16.htm IDEA: XBRL DOCUMENT v3.19.1
Intangible Assets, Net
3 Months Ended
Mar. 31, 2019
Intangible Assets, net [Abstract]  
Intangible Assets, net
10.Intangible Assets, net

 

Intangible assets as of December 31, 2018 and March 31, 2019 consisted of the followings:

 

   December 31,   March 31, 
   2018   2019 
Computer software at cost  $31,025   $31,797 
Accumulated amortization   (10,156)   (11,992)
   $20,869   $19,805 

 

Amortization expenses were $699 and $1,574 for the three months ended March 31, 2018 and 2019, respectively.