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Equity - Common Stock and Preferred Stock (Details) - USD ($)		1 Months Ended				12 Months Ended
	Aug. 24, 2020	Sep. 30, 2020	Aug. 31, 2020	Feb. 29, 2020	Jul. 31, 2018	Dec. 31, 2020	Dec. 31, 2019
Stockholders' equity
Common stock, authorized shares						62,500,000
Preferred stock, authorized shares						2,000,000
Stock Issued During Period, Value, New Issues							$ 11,000
Proceeds from Issuance or Sale of Equity						$ 6,053,000	$ 0
Net proceeds from the offering	$ 4,800,000	$ 1,300,000
Public offering
Stockholders' equity
Stock Issued During Period, Shares, New Issues			2,587,500
Number of shares of common stock issued			2,587,500
Shares Issued, Price Per Share			$ 2.00
Net proceeds from the offering			$ 4,800,000
Private offering
Stockholders' equity
Stock Issued During Period, Shares, New Issues				654,425
Number of shares of common stock issued				654,425
Shares Issued, Price Per Share				$ 2.00
Net proceeds from the offering				$ 1,300,000
Additional Purchase Right
Stockholders' equity
Common stock, authorized shares					478,854
Shares Issued, Price Per Share					$ 4
Participation Right
Stockholders' equity
Stock Issued, Investor, Maximum Voting Power Percentage					20.00%
Stock Issued, Investor, Maximum Beneficial Ownership Percentage					20.00%
Common Stock
Stockholders' equity
Stock Issued During Period, Shares, New Issues							7,500
Number of shares of common stock issued							7,500
Common Stock \| Stock Purchase Agreement, ClirSPV, LLC
Stockholders' equity
Stock Issued During Period, Shares, New Issues					5,213,543
Number of shares of common stock issued					5,213,543
Shares Issued, Price Per Share					$ 2.25
Stock Issued During Period, Value, New Issues					$ 11,700,000
Proceeds from Issuance or Sale of Equity					$ 11,600,000