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SUBSEQUENT EVENT (Details Narrative) - Subsequent Event [Member] - 2012 Share Repurchase Program [Member] - Common Class A [Member]
Dec. 06, 2017
shares
Subsequent Event [Line Items]  
Description of repurchase program term

This repurchase program is valid for up to two years and may be modified, extended or terminated by the Board at any time.

Maximum [Member]  
Subsequent Event [Line Items]  
Number of shares repurchased 3,800