Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Details 2)

v3.10.0.1
Stockholders' Equity (Details 2)
shares in Thousands
12 Months Ended
Dec. 31, 2018
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding Number of Warrants 276
Weighted Average Remaining Life in Years 2 years 4 months 24 days
Exercisable Number of Warrants 276
Exercise Price Range $4.40 - $39.99 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding Number of Warrants 233
Weighted Average Remaining Life in Years 3 years 1 month 6 days
Exercisable Number of Warrants 233
Exercise Price Range $4.40 - $39.99 [Member] | Maximum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Warrants Outstanding, Exercise Price | $ / shares $ 39.99
Exercise Price Range $4.40 - $39.99 [Member] | Minimum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Warrants Outstanding, Exercise Price | $ / shares $ 4.40
Exercise Price Ranage $40.00 - $105.0 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding Number of Warrants 43
Weighted Average Remaining Life in Years 3 months 18 days
Exercisable Number of Warrants 43
Exercise Price Ranage $40.00 - $105.0 [Member] | Maximum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Warrants Outstanding, Exercise Price | $ / shares $ 105.00
Exercise Price Ranage $40.00 - $105.0 [Member] | Minimum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Warrants Outstanding, Exercise Price | $ / shares $ 40.00