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Organization and Summary of Significant Accounting Policies - Textual (Details)				3 Months Ended		12 Months Ended
	Apr. 14, 2017 USD ($)	Dec. 31, 2015 USD ($)	Oct. 22, 2013 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2018 USD ($) customer segment shares	Dec. 31, 2017 USD ($) customer shares
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of operating segments | segment						1
Allowance for doubtful accounts receivable						$ 0	$ 0
Revenues						1,295,451	758,420
Settlement of litigation, net						$ 0	$ 4,358,223
Antidilutive securities excluded from computation of earnings per share (in shares) | shares						3,552,890	2,712,390
Greenberg Traurig
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Amount awarded from other party	$ 4,500,000
Litigation settlement interest			$ 6,000,000
Payments for legal settlements				$ 141,777
Settlement of litigation, net					$ 4,358,223
Greenberg Traurig, Scenario One
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Interest rate, net settlement proceeds, percentage			5.00%
Interest rate, net settlement proceeds, amount			$ 25,000,000
Greenberg Traurig, Scenario Two
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Interest rate, net settlement proceeds, percentage			8.00%
Interest rate, net settlement proceeds, amount			$ 25,000,000
Customer Concentration Risk | Revenue
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk, number of customers | customer						6	3
Customer Concentration Risk | Accounts Receivable
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk, number of customers | customer						4	3
Europe | One Customer | Customer Concentration Risk
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Revenues						$ 281,000	$ 172,000
Europe | One Customer | Customer Concentration Risk | Revenue
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk, percentage						21.70%	22.70%
Europe | One Customer | Customer Concentration Risk | Accounts Receivable
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk, percentage						0.00%	14.90%
DuPont Danisco | Industrial Technology Business
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Proceeds from sales of business		$ 75,000,000

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