Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Details)

v3.19.1
Stockholders' Equity (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Outstanding at beginning 1,238,199 337,441
Exercisable at beginning 567,210 245,989
Granted 167,500 940,875
Cancelled or forfeited (19,303) (40,117)
Outstanding at ending 1,386,396 1,238,199
Exercisable at ending   567,210
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]    
Outstanding at beginning $ 12.47 $ 42.07
Exercisable at beginning   38.71
Granted 1.81 2.58
Cancelled or forfeited 18.77 35.74
Outstanding at ending $ 11.09 $ 12.47
Share-based Compensation Arrangement by Share-based Payment Award, Options, Intrinsic Value [Abstract]    
Outstanding at beginning [1] $ 78,486  
Exercisable at beginning [1]  
Granted [1] 11,050 $ 78,486
Outstanding at ending [1] 11,050 78,486
Exercisable at ending [1]
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
Granted 2.18 6.40
Cancelled or forfeited 385.60 385.60
Outstanding at ending 385.60 385.60
Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]    
Outstanding at beginning 1.95 5.00
Exercisable at beginning   5.00
Granted 1.40 1.95
Cancelled or forfeited 1.95 5.00
Outstanding at ending $ 1.40 $ 1.95
[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.