Income Taxes (Details 3) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Accruals	$ 71	$ 48
Stock compensation	567	159
Net operating losses	14,982	16,293
Basis difference in fixed assets
Total deferred tax assets	15,620	16,500
Valuation allowance	(15,620)	(16,500)
Total net deferred tax assets