Organization and Summary of Significant Accounting Policies - Property and Equipment (Details)	12 Months Ended
	Dec. 31, 2019
Machinery and Equipment [Member] | Minimum
Property Plant And Equipment [Line Items]
Property Plant And Equipment Useful Life	2 years
Machinery and Equipment [Member] | Maximum
Property Plant And Equipment [Line Items]
Property Plant And Equipment Useful Life	10 years
Furniture and Fixtures [Member] | Minimum
Property Plant And Equipment [Line Items]
Property Plant And Equipment Useful Life	2 years
Furniture and Fixtures [Member] | Maximum
Property Plant And Equipment [Line Items]
Property Plant And Equipment Useful Life	3 years