XML 55 R41.htm IDEA: XBRL DOCUMENT v3.3.1.900
Significant Accounting Policies (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Significant Accounting Policies (Textual)      
Percentage of tuition revenue in total revenue 96.00%    
Unused books and academic material refundable period 21 days    
Restricted cash   $ 200  
Tuition receivable included in other assets $ 2,000 1,600  
Expected collection period of tuition receivable After 12 months    
Minimum protective endowment   $ 500  
Common stock, shares authorized 20,000,000 20,000,000  
Common stock, par value $ 0.01 $ 0.01  
Common stock, shares issued 11,027,177 10,903,341  
Common stock, shares outstanding 11,027,177 10,903,341  
Preferred stock, shares authorized 8,000,000    
Preferred stock, shares issued    
Preferred stock, shares outstanding    
Income tax description Upon determination, uncertain tax positions are measured to determine the amount of benefit that is greater than 50% likely to be realized upon ultimate settlement with a taxing authority that has full knowledge of all relevant information. A tax position is derecognized if it no longer meets the more likely than not threshold of being sustained.    
Graduation fund estimated to be redeemed $ 10,000    
Goodwill and intangible assets impairment    
Depreciation and amortization $ 18,104 $ 20,630 $ 35,563
Impairment loss    
Maximum [Member]      
Significant Accounting Policies (Textual)      
Estimated useful life of property and equipment 40 years    
Minimum [Member]      
Significant Accounting Policies (Textual)      
Estimated useful life of property and equipment 3 years