Description of Business - Additional Information (Details) $ / shares in Units, $ in Millions				1 Months Ended	3 Months Ended
	Apr. 01, 2020 USD ($) shares	Dec. 20, 2019 USD ($)	Nov. 16, 2018 USD ($) $ / shares shares	Aug. 31, 2019 USD ($) $ / shares shares	Mar. 31, 2020 System
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Entity founded year					1993
Entity reincorporated year					2013
Number of versions of precision flow systems | System					4
Initial Public Offering | Common Stock
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of shares issued | shares			4,600,000	3,570,750
Exercise of underwriters option to purchase shares | shares			600,000	465,750
Public offering price of common stock | $ / shares			$ 14.00	$ 14.50
Proceeds from initial offering net of underwriting discounts and offering costs			$ 57.4	$ 48.3
Underwriting discount			4.5	3.1
Offering expenses			$ 2.5	$ 0.4
Shares issued | shares			4,600,000	3,570,750
ATM Agreement | Common Stock | Subsequent Event
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of shares issued | shares	511,648
Gross proceeds from issuance of common stock	$ 10.2
Shares issued | shares	511,648
Net proceeds from issuance of common stock	$ 9.9
ATM Agreement | Common Stock | Jefferies LLC
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Gross proceeds from issuance of common stock		$ 50.0