XML 27 R5.htm IDEA: XBRL DOCUMENT v3.8.0.1
Statements of Changes in Stockholders’ Equity - USD ($)
Total
Series A Convertible Preferred Stock [Member]
Series A-2 Convertible Preferred Stock [Member]
Series B Convertible Preferred Stock [Member]
Common Stock [Member]
Additional Paid-In Capital [Member]
Accumulated Deficit [Member]
Balance at Dec. 31, 2015 $ 2,398,496 $ 323 $ 0 $ 0 $ 227 $ 12,995,702 $ (10,597,756)
Balance (in shares) at Dec. 31, 2015   3,232,294 0 0 2,266,667    
Stock-based compensation 2,690 $ 0 $ 0 $ 0 $ 0 2,690 0
Issuance convertible preferred stock, net of issuance costs 4,141,338 $ 0 $ 79 $ 0 $ 0 4,141,259 0
Issuance convertible preferred stock, net of issuance costs (in shares)   0 788,827 0 0    
Net loss (3,533,443) $ 0 $ 0 $ 0 $ 0 0 (3,533,443)
Balance at Dec. 31, 2016 3,009,081 $ 323 $ 79 $ 0 $ 227 17,139,651 (14,131,199)
Balance (in shares) at Dec. 31, 2016   3,232,294 788,827 0 2,266,667    
Issuance of warrant 431,574 $ 0 $ 0 $ 0 $ 0 431,574 0
Stock-based compensation 412,312 0 0 0 0 412,312 0
Issuance convertible preferred stock, net of issuance costs [1] 6,367,693 $ 0 $ 0 $ 92 $ 0 6,367,601 0
Issuance convertible preferred stock, net of issuance costs (in shares) [1]   0 0 918,983 0    
Conversion of Series A convertible preferred stock into common stock 0 $ (30) $ 0 $ 0 $ 30 0 0
Conversion of Series A convertible preferred stock into common stock (in shares)   (299,863) 0 0 299,863    
Net loss (5,129,987) $ 0 $ 0 $ 0 $ 0 0 (5,129,987)
Balance at Dec. 31, 2017 $ 5,090,673 $ 293 $ 79 $ 92 $ 257 $ 24,351,138 $ (19,261,186)
Balance (in shares) at Dec. 31, 2017   2,932,431 788,827 918,983 2,566,530    
[1] Includes gross proceeds of $6,409,651, less issuance costs of $41,958.