Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Property and Equipment
Property and equipment, gross	$ 14,285	$ 14,209
Less: accumulated depreciation	(369)	(346)
Property and equipment, net	13,916	13,863
Office equipment
Property and Equipment
Property and equipment, gross	$ 49	$ 49
Office equipment \| Minimum
Property and Equipment
Estimated Life (in years)	3 years	3 years
Office equipment \| Maximum
Property and Equipment
Estimated Life (in years)	10 years	10 years
Computer equipment
Property and Equipment
Property and equipment, gross	$ 175	$ 175
Estimated Life (in years)	3 years	3 years
Manufacturing equipment
Property and Equipment
Property and equipment, gross	$ 14,061	$ 13,985
Estimated Life (in years)	5 years	5 years
Manufacturing equipment in process of being constructed and qualified
Property and Equipment
Property and equipment, gross	$ 14,100	$ 13,800

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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