Equity (Details) - USD ($)				6 Months Ended	12 Months Ended
	Jul. 14, 2020	Jan. 01, 2020	Jul. 21, 2014	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019	Jul. 15, 2014
Class of Stock [Line Items]
Common stock, shares authorized (in shares)				100,000,000	100,000,000
Common stock, par or stated value per share (in usd per share)				$ 0.0001	$ 0.0001
Preferred stock, shares authorized (in shares)				1,000,000
Preferred stock, par or stated value per share (in usd per shares)				$ 0.0001
Class of warrant or right, outstanding (in shares)				4,576,799	4,576,799
Class of warrant or right, exercise price of warrants or rights (in usd per share)						$ 11.50
UPOs
Class of Stock [Line Items]
UPOs issued (in shares)			300,000
Outstanding UPOs (in shares)						17,100
Performance-Based RSUs
Class of Stock [Line Items]
Granted, awards (in shares)				96,500
Performance-Based RSUs | 2016 Omnibus Incentive Plan
Class of Stock [Line Items]
Granted, awards (in shares)				96,500
Performance-Based RSUs | Omnibus Incentive Plan 2019
Class of Stock [Line Items]
Granted, awards (in shares)				96,500
RSU | 2016 Omnibus Incentive Plan
Class of Stock [Line Items]
Granted, awards (in shares)				118,633
RSU | Omnibus Incentive Plan 2019 | Subsequent Event
Class of Stock [Line Items]
Share-based compensation arrangement by share-based payment award, number of additional shares authorized (in shares)	500,000
Common stock, capital shares reserved for future issuance (in shares)	1,650,000
Employee Stock | 2019 Employee Stock Purchase Plan
Class of Stock [Line Items]
Share-based compensation arrangement by share-based payment award, number of shares authorized (in shares)		500,000
ESPP purchase price of common stock, percent of market price		85.00%
Maximum participant contribution rate		10.00%
Maximum contribution amount		$ 5,000
Offering period		6 months
ESPP discount percentage from market price, beginning of purchase period		15.00%
Share-based compensation arrangement by share-based payment award, vesting period		6 months
Public warrants
Class of Stock [Line Items]
Stock issued during period, value, new issues				$ 4,600,000	$ 4,600,000
Class of warrant or right, exercise price of warrants or rights (in usd per share)				$ 11.5	$ 11.50
Sponsor Warrants
Class of Stock [Line Items]
Class of warrant or right, outstanding (in shares)				198,000	198,000
Class of warrant or right, rights for half share (usd per share)				$ 5.75	$ 5.75
Class of warrant or right, exercise price of warrants or rights (in usd per share)				$ 11.5	$ 11.50
Fifteen Dollar Exercise Price Warrants
Class of Stock [Line Items]
Class of warrant or right, outstanding (in shares)				600,000	600,000
Class of warrant or right, exercise price of warrants or rights (in usd per share)				$ 15	$ 15.00		$ 15
Merger Warrants
Class of Stock [Line Items]
Class of warrant or right, outstanding (in shares)				631,119	631,119
Class of warrant or right, exercise price of warrants or rights (in usd per share)				$ 12.5	$ 12.50
Additional Merger Warrants
Class of Stock [Line Items]
Class of warrant or right, outstanding (in shares)				946,680	946,680
Class of warrant or right, exercise price of warrants or rights (in usd per share)				$ 11.5	$ 11.50