Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Net operating loss carryforwards	$ 6,862	$ 4,110
Inventory reserve	(114)	0
Depreciation and amortization	2,512	2,799
Share based compensation	597	436
Other	279	249
Total deferred tax assets	10,364	7,594
Valuation allowance	(10,364)	(7,540)
Net deferred tax assets	0	54
Deferred tax liabilities:
Intangible assets	0	(54)
Net deferred tax liabilities	$ 0	$ 0