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Liability for Unauthorized Preferred Stock Issued (Tables)
 12 Months Ended
Dec. 31, 2017
Payables and Accruals [Abstract]  
Schedule of Other Assets and Other Liabilities
The remaining liability for the unconverted preferred stock is based on the original cash tendered and consisted of the following as of:
 
 
 December 31,
 
2017
 
2016
Liability for unauthorized preferred stock
$
9,283

 
$
9,283