Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

v3.22.1
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Balance, beginning of period at Dec. 31, 2019 $ 25,525 $ 2 [1] $ 191,769 $ (166,246)
Balance, shares at Dec. 31, 2019 [1]   2,043,701    
Issuance of common stock, net of issuance costs 25,086 $ 4 [1] 25,082  
Issuance of common stock, net of issuance costs, shares [1]   3,680,000    
Issuance of common stock, settlement of long-term debt 6,170 $ 1 [1] 6,169  
Issuance of common stock, settlement of long-term debt, shares [1]   822,682    
Issuance of common stock upon exercise of stock options $ 382   382  
Issuance of common stock upon exercise of stock options, shares 54,116 54,127 [1]    
Issuance of common stock upon purchase of ESPP $ 98   98  
Issuance of common stock upon purchase of ESPP, shares [1]   19,210    
Net settlement of common stock upon release of RSU (6)   (6)  
Net settlement of common stock upon release of RSU, shares [1]   11,319    
Employee and nonemployee stock-based compensation 1,087   1,087  
Net loss (29,932)     (29,932)
Balance, at end of period at Dec. 31, 2020 28,410 $ 7 [1] 224,581 (196,178)
Balance, shares at Dec. 31, 2020 [1]   6,631,039    
Issuance of common stock, net of issuance costs 27,702 $ 12 [1] 27,690  
Issuance of common stock, net of issuance costs, shares [1]   12,101,691    
Common stock variance, reverse stock split [1]   29    
Issuance of common stock upon exercise of stock options $ 5   5  
Issuance of common stock upon exercise of stock options, shares 707 707 [1]    
Issuance of shares for RSU awards [1]   55,683    
Issuance of common stock upon purchase of ESPP $ 55   55  
Issuance of common stock upon purchase of ESPP, shares [1]   19,736    
Employee and nonemployee stock-based compensation 1,085   1,085  
Net loss (38,627)     (38,627)
Balance, at end of period at Dec. 31, 2021 $ 18,630 $ 19 [1] $ 253,416 $ (234,805)
Balance, shares at Dec. 31, 2021 [1]   18,808,885    
[1] Reflects the 1-for-10 reverse stock split that became effective on September 15, 2021. Refer to Note 1 – The Company and its Significant Accounting Policies for further information.