Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Stockholders' Equity

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Consolidated Statements of Stockholders' Equity - USD ($)
shares in Thousands, $ in Thousands
Total
Preferred Stock
Convertible Preferred Stock
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Accumulated Deficit
Balance at Dec. 31, 2017 $ 21,391 $ 0 $ 60 $ 165,825 $ (340) $ (144,154)
Balance (in shares) at Dec. 31, 2017   0 59,943      
Net loss (26,992)         (26,992)
Issuance of common stock under: ATM program, net of commission & issuance costs / Equity financing, net 4,446   $ 2 4,444    
Issuance of common stock under: ATM program, net of commission & issuance costs / Equity financing, net (in shares)     2,032      
Issuance of common stock under: Equipois sales earn-out 28     28    
Issuance of common stock under: Equipois sales earn-out (in shares)     18      
Issuance of common stock under: Equity incentive plan (60)   $ 1 (61)    
Issuance of common stock under: Equity incentive plan (in shares)     571      
Issuance of common stock under: Matching contribution to 401(k) plan 508     508    
Issuance of common stock under: Matching contribution to 401(k) plan (in shares)     221      
Issuance of common stock under: In lieu of cash compensation / bonus 291     291    
Issuance of common stock under: In lieu of cash compensation / bonus (in shares)     178      
Stock-based compensation expense 2,868     2,868    
Foreign currency translation adjustments 248       248  
Balance at Dec. 31, 2018 2,728 $ 0 $ 63 173,903 (92) (171,146)
Balance (in shares) at Dec. 31, 2018   0 62,963      
Net loss (12,132)         (12,132)
Issuance of common stock under: ATM program, net of commission & issuance costs / Equity financing, net 12,444   $ 23 12,421    
Issuance of common stock under: ATM program, net of commission & issuance costs / Equity financing, net (in shares)     22,995      
Issuance of common stock under: Equipois sales earn-out 22     22    
Issuance of common stock under: Equipois sales earn-out (in shares)     18      
Issuance of common stock under: Equity incentive plan 228     228    
Issuance of common stock under: Equity incentive plan (in shares)     186      
Issuance of common stock under: Matching contribution to 401(k) plan 191     191    
Issuance of common stock under: Matching contribution to 401(k) plan (in shares)     141      
Issuance of common stock under: In lieu of cash compensation / bonus 919   $ 1 918    
Issuance of common stock under: In lieu of cash compensation / bonus (in shares)     617      
Stock-based compensation expense 2,255     2,255    
Foreign currency translation adjustments 142       142  
Balance at Dec. 31, 2019 $ 6,797 $ 0 $ 87 $ 189,938 $ 50 $ (183,278)
Balance (in shares) at Dec. 31, 2019   0 86,920