Nature of Business and Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Accounting Policies [Abstract]
Accumulated deficit	$ (135,562)	$ (135,203)
Cash	$ 70

The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Balance Type:	credit
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