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

Stockholders' Equity (Details 2)

v3.5.0.2
Stockholders' Equity (Details 2) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Outstanding at beginning 298,283 258,583 185,755
Exercisable at beginning 179,215 140,687 110,407
Granted 7,500 61,912 82,112
Exercised   (4,062)
Cancelled or forfeited (2,250) (22,212) (5,222)
Outstanding at ending 303,532 298,283 258,583
Exercisable at ending   179,215 140,687
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]      
Outstanding at beginning $ 48.80 $ 54.40 $ 58.80
Exercisable at beginning 56.40 62.40 67.20
Granted 12.40 32.80 43.60
Exercised   35.20
Cancelled or forfeited 43.20 59.20 56.80
Outstanding at ending $ 48.00 48.80 54.40
Exercisable at ending   $ 56.40 $ 62.40
Share-based Compensation Arrangement by Share-based Payment Award, Options, Intrinsic Value [Abstract]      
Outstanding at beginning [1] $ 4,800 $ 1,493,368
Exercisable at beginning [1] 600 566,589
Outstanding at ending [1]   4,800
Exercisable at ending [1]   $ 600
Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]      
Outstanding at beginning   $ 32.00 $ 35.20
Exercisable at beginning   40.00 35.20
Granted   29.60 32.00
Exercised   35.20
Cancelled or forfeited   32.00 35.20
Outstanding at ending     32.00
Exercisable at ending     40.00
Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]      
Outstanding at beginning   385.60 385.60
Exercisable at beginning   385.60 385.60
Granted   42.40 58.40
Exercised   35.20
Cancelled or forfeited   $ 128.00 385.60
Outstanding at ending     385.60
Exercisable at ending     $ 385.60
[1] Intrinsic value is calculated as the estimated fair value of the Company's stock at the end of the related period less the option exercise price of in-the-money options.