Subsequent Events (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |
1 Months Ended | 2 Months Ended | 3 Months Ended | |
---|---|---|---|---|
Apr. 30, 2019 |
May 31, 2019 |
Mar. 31, 2019 |
Mar. 31, 2018 |
|
Subsequent Event [Line Items] | ||||
Proceeds from Warrant Exercises | $ 605 | $ 0 | ||
Alliance Global Partners [Member] | ||||
Subsequent Event [Line Items] | ||||
Common Stock, Value Issuable | $ 8,600 | |||
Subsequent Event [Member] | ||||
Subsequent Event [Line Items] | ||||
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 70,000 | |||
Proceeds from Warrant Exercises | $ 100 | |||
Sale Of Common Stock, Shares | 0 | |||
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 1.50 |