Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details Textual)

v3.8.0.1
Summary of Significant Accounting Policies (Details Textual) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Allowance for Doubtful Accounts Receivable, Current $ 0 $ 0    
Advertising Expense 61,000 31,000    
Goodwill, Impairment Loss 2,629,225 $ 0    
Goodwill 3,334,312     $ 5,963,537
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent       34.00%
Deferred Tax Assets, Valuation Allowance 1,400,000      
Scenario, Plan [Member]        
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent     21.00%  
Promotion Segment [Member]        
Goodwill, Impairment Loss 2,629,225      
Goodwill 1,811,707      
Athlete Management [Member]        
Goodwill $ 1,522,605