XML 57 R41.htm IDEA: XBRL DOCUMENT v3.6.0.2
Income Taxes (Detail Textuals) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Operating Loss Carryforwards [Line Items]    
Valuation allowance $ 253,000 $ 397,000
Domestic tax authority | Pennsylvania    
Operating Loss Carryforwards [Line Items]    
Net operating loss carryforward $ 2,240,000 2,240,000
Net operating loss carryforward, expiration year 2019  
Domestic tax authority | Arkansas    
Operating Loss Carryforwards [Line Items]    
Net operating loss carryforward $ 839,000 2,530,000
Net operating loss carryforward, expiration year 2018  
Domestic tax authority | New York    
Operating Loss Carryforwards [Line Items]    
Tax credit carryforward $ 97,000 $ 217,000
Tax credit carryforward, expiration year 2024