General form of registration statement for all companies including face-amount certificate companies

Stock Options and Warrants (Details 2)

v3.6.0.2
Stock Options and Warrants (Details 2) - $ / shares
9 Months Ended 12 Months Ended
Sep. 30, 2016
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]      
Options Outstanding, Number of Shares 273,550 308,464 267,257
Options Outstanding, Weighted - Average Remaining Contractual Life (In years) 5 years 3 months 7 days 6 years 26 days 6 years 26 days
Options Outstanding, Weighted- Average Exercise Price $ 13.70 $ 13.61 $ 15.00
Options Exercisable, Number of Shares 192,394 151,576  
Options Exercisable, Weighted- Average Exercise Price $ 15.00 $ 15.38  
$0 - $10.00 [Member]      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]      
Exercise Price, Lower Limit 0 0  
Exercise Price, Upper Limit $ 10.00 $ 10.00  
Options Outstanding, Number of Shares 99,840 130,740  
Options Outstanding, Weighted - Average Remaining Contractual Life (In years) 7 years 15 days 7 years 8 months 27 days  
Options Outstanding, Weighted- Average Exercise Price $ 7.46 $ 9.00  
Options Exercisable, Number of Shares 50,771 38,884  
Options Exercisable, Weighted- Average Exercise Price $ 7.68 $ 7.71  
$10.01 - $15.00 [Member]      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]      
Exercise Price, Lower Limit 10.01 10.01  
Exercise Price, Upper Limit $ 15.00 $ 15.00  
Options Outstanding, Number of Shares 31,100 154,721  
Options Outstanding, Weighted - Average Remaining Contractual Life (In years) 7 years 1 month 28 days 7 years 10 months 13 days  
Options Outstanding, Weighted- Average Exercise Price $ 12.50 $ 18.50  
Options Exercisable, Number of Shares 18,730 11,520  
Options Exercisable, Weighted- Average Exercise Price $ 12.50 $ 12.50  
$15.01 - $20.00 [Member]      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]      
Exercise Price, Lower Limit 15.01 15.01  
Exercise Price, Upper Limit $ 20.00 $ 20.00  
Options Outstanding, Number of Shares 122,766 132,126  
Options Outstanding, Weighted - Average Remaining Contractual Life (In years) 3 years 6 months 4 years 3 months  
Options Outstanding, Weighted- Average Exercise Price $ 17.50 $ 17.50  
Options Exercisable, Number of Shares 104,381 82,235  
Options Exercisable, Weighted- Average Exercise Price $ 17.50 $ 17.50  
$20.01 - $25.00 [Member]      
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]      
Exercise Price, Lower Limit 20.01 20.01  
Exercise Price, Upper Limit $ 25.00 $ 25.00  
Options Outstanding, Number of Shares 19,844 22,569  
Options Outstanding, Weighted - Average Remaining Contractual Life (In years) 4 years 3 months 18 days 4 years 11 months 16 days  
Options Outstanding, Weighted- Average Exercise Price $ 23.40 $ 23.47  
Options Exercisable, Number of Shares 18,512 18,937  
Options Exercisable, Weighted- Average Exercise Price $ 23.58 $ 23.67