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Stockholders’ Equity (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended	9 Months Ended
	Feb. 12, 2018	Mar. 31, 2018	Sep. 30, 2018	Sep. 30, 2019	Dec. 31, 2018
Common Stock
Common stock, shares issued				14,872,411	14,265,411
Issuance of common stock (in shares)		3,592,858
Offering costs			$ 2,093
Common Stock
Common Stock
Issuance of common stock (in shares)		3,592,858
Follow On Offering
Common Stock
Issuance of common stock (in shares)	3,142,858
Net proceeds	$ 23,100
Share price (in dollars per share)	$ 7.00
Follow On Offering | Common Stock
Common Stock
Issuance of common stock (in shares)		3,592,858
Net proceeds		$ 23,100
Offering costs		$ 2,100
Share price (in dollars per share)		$ 7.00
Overallotment
Common Stock
Issuance of common stock (in shares)	450,000
Overallotment | Common Stock
Common Stock
Issuance of common stock (in shares)		450,000

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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The cash outflow for cost incurred directly with the issuance of an equity security.

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The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

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