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Capitalization Narrative (Details) - $ / shares
Dec. 31, 2020
Dec. 31, 2019
Equity [Abstract]    
Common stock, shares authorized (in shares) 70,000,000 70,000,000
Common stock, par value (usd per share) $ 0.001 $ 0.001
Common stock, shares issued (in shares) 28,556,605 28,456,508
Common stock, shares outstanding (in shares) 28,556,605 28,456,508
Preferred stock, shares authorized (in shares) 1,000,000 1,000,000
Preferred stock, par value (usd per share) $ 0.001 $ 0.001
Preferred stock, shares outstanding (in shares) 0 0
Preferred stock, shares issued (in shares) 0 0