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Equity - Options (Details) - USD ($)
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Stock Based Compensation Plans    
Options outstanding at end of the period (in shares) 40,001  
Options exercisable at end of the period (in shares) 35,001  
Nonvested awards    
Number of Awards 5,000  
2015 Plan    
Stock Based Compensation Plans    
Total shares reserved for issuance of common stock related to the conversion of preferred stock 1,400,000  
Stock options granted (in shares) 0 0
Stock options    
Stock Based Compensation Plans    
Compensation expense, vested awards $ 4,000  
2016    
Nonvested awards    
Remaining compensation expense 11,000  
2017    
Nonvested awards    
Remaining compensation expense $ 3,000