Organization and Business (Details) - USD ($) $ in Thousands		1 Months Ended			12 Months Ended
	Jan. 18, 2019	Jan. 18, 2019	Jan. 17, 2019	Jun. 30, 2015	Dec. 31, 2019	Dec. 31, 2018
Organization and Nature of Operations [Line Items]
Stock issued during period, value, new issues	$ 1,700				$ 26,700	$ 1,180
Notice period for termination of ATM program					10 days
Stockholders' Equity, Reverse Stock Split		1–for–20	common stock at a ratio of 1–for–20, and our common stock began trading on the split-adjusted basis on the Nasdaq Capital Market at the commencement of trading on January 18, 2019. All common stock share and per share amounts in our consolidated financial statements have been adjusted to give effect to the 1–for–20 reverse stock split.
Warrant [Member]
Organization and Nature of Operations [Line Items]
Stock issued during period, value, new issues				$ 25,000