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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Preferred stock
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Total
Balance at beginning of period at Dec. 31, 2023   $ 14 $ 112,565 $ (98,150) $ 14,429
Balance at beginning of period (in shares) at Dec. 31, 2023 47 1,420,125      
Increase (Decrease) in Stockholders' Equity          
Net income (loss)       (3,299) (3,299)
Issuance of common stock in connection with at the market offering, net of issuance costs     78   78
Issuance of common stock in connection with at the market offering, net of issuance costs (in shares)   11,822      
Issuance of common stock for board fees     251   251
Issuance of common stock for board fees (in shares)   37,593      
Stock-based compensation     656   656
Balance at end of period at Jun. 30, 2024   $ 14 113,550 (101,449) 12,115
Balance at end of period (in shares) at Jun. 30, 2024 47 1,469,540      
Balance at beginning of period at Mar. 31, 2024   $ 14 112,989 (100,229) 12,774
Balance at beginning of period (in shares) at Mar. 31, 2024 47 1,430,292      
Increase (Decrease) in Stockholders' Equity          
Net income (loss)       (1,220) (1,220)
Issuance of common stock in connection with at the market offering, net of issuance costs     11   11
Issuance of common stock in connection with at the market offering, net of issuance costs (in shares)   1,655      
Issuance of common stock for board fees     251   251
Issuance of common stock for board fees (in shares)   37,593      
Stock-based compensation     299   299
Balance at end of period at Jun. 30, 2024   $ 14 113,550 (101,449) 12,115
Balance at end of period (in shares) at Jun. 30, 2024 47 1,469,540      
Balance at beginning of period at Dec. 31, 2024   $ 15 114,519 (102,440) 12,094
Balance at beginning of period (in shares) at Dec. 31, 2024 47 1,493,639      
Increase (Decrease) in Stockholders' Equity          
Net income (loss)       (810) (810)
Issuance of common stock for board fees     132   132
Issuance of common stock for board fees (in shares)   22,657      
Stock-based compensation     872   872
Balance at end of period at Jun. 30, 2025   $ 15 115,523 (103,250) 12,288
Balance at end of period (in shares) at Jun. 30, 2025 47 1,516,296      
Balance at beginning of period at Mar. 31, 2025   $ 15 115,007 (103,324) 11,698
Balance at beginning of period (in shares) at Mar. 31, 2025 47 1,504,312      
Increase (Decrease) in Stockholders' Equity          
Net income (loss)       74 74
Issuance of common stock for board fees     67   67
Issuance of common stock for board fees (in shares)   11,984      
Stock-based compensation     449   449
Balance at end of period at Jun. 30, 2025   $ 15 $ 115,523 $ (103,250) $ 12,288
Balance at end of period (in shares) at Jun. 30, 2025 47 1,516,296