Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Schedule of Warrant Activity) (Details)

v3.19.1
Stockholders' Equity (Schedule of Warrant Activity) (Details) - Warrant [Member] - shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Outstanding, beginning balance 310,397 310,397
Issued 11,787,500
Exercised 3,054,667
Expired (12,500)
Outstanding, ending balance 9,030,730 310,397