Quarterly report [Sections 13 or 15(d)]

Condensed Consolidated Statements of Stockholders' Equity (Unaudited)

v3.26.1
Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
ATM [Member]
Common Stock Outstanding [Member]
ATM [Member]
Additional Paid-in Capital [Member]
ATM [Member]
Retained Earnings [Member]
ATM [Member]
Treasury Stock, Common [Member]
ATM [Member]
ELOC [Member]
Common Stock Outstanding [Member]
ELOC [Member]
Additional Paid-in Capital [Member]
ELOC [Member]
Retained Earnings [Member]
ELOC [Member]
Treasury Stock, Common [Member]
ELOC [Member]
Director Fees [Member]
Common Stock Outstanding [Member]
Director Fees [Member]
Additional Paid-in Capital [Member]
Director Fees [Member]
Retained Earnings [Member]
Director Fees [Member]
Treasury Stock, Common [Member]
Director Fees [Member]
Broker Fees [Member]
Common Stock Outstanding [Member]
Broker Fees [Member]
Additional Paid-in Capital [Member]
Broker Fees [Member]
Retained Earnings [Member]
Broker Fees [Member]
Treasury Stock, Common [Member]
Broker Fees [Member]
Common Stock Outstanding [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Treasury Stock, Common [Member]
Total
Balance (in shares) at Dec. 31, 2024                                         773,084        
Balance at Dec. 31, 2024                                         $ 1,000 $ 264,205,000 $ (247,770,000) $ (192,000) $ 16,244,000
Balance (in shares) at Dec. 31, 2024                                               2,942  
Stock-based compensation                                         $ 0 961,000 0 $ 0 961,000
Common stock issued to employees and directors, includes RSUs vesting and withholdings to satisfy tax withholdings on RSUs vesting (in shares)                                         8,426     (294)  
Common stock issued to employees and directors, includes RSUs vesting and withholdings to satisfy tax withholdings on RSUs vesting                                         $ 0 (192,000) 0 $ 125,000 (67,000)
Common stock issued (in shares) 211,474     0 211,474 12,000     0 12,000           22,717     0            
Common stock issued $ 0 $ 2,735,000 $ 0 $ 0 $ 2,735,000 $ 0 $ 69,000 $ 0 $ 0 $ 69,000           $ 0 $ 261,000 $ 0 $ 0 $ 261,000          
Net loss                                         $ 0 0 (15,085,000) 0 (15,085,000)
Balance (in shares) at Jun. 30, 2025                                         1,027,701        
Balance at Jun. 30, 2025                                         $ 1,000 268,039,000 (262,855,000) $ (67,000) 5,118,000
Balance (in shares) at Jun. 30, 2025                                               2,648  
Stock-based compensation                                         $ 0 961,000 0 $ 0 961,000
Balance (in shares) at Mar. 31, 2025                                         836,255        
Balance at Mar. 31, 2025                                         $ 1,000 265,682,000 (256,085,000) $ (67,000) 9,531,000
Balance (in shares) at Mar. 31, 2025                                               2,648  
Stock-based compensation                                         $ 0 506,000 0 $ 0 506,000
Common stock issued to employees and directors, includes RSUs vesting and withholdings to satisfy tax withholdings on RSUs vesting (in shares)                                         4,904     0  
Common stock issued to employees and directors, includes RSUs vesting and withholdings to satisfy tax withholdings on RSUs vesting                                         $ 0 0 0 $ 0 0
Common stock issued (in shares) 151,825     0   12,000     0             22,717     0            
Common stock issued $ 0 1,521,000 0 $ 0 $ 1,521,000 $ 0 $ 69,000 $ 0 $ 0 $ 69,000           $ 0 $ 261,000 $ 0 $ 0 $ 261,000          
Net loss                                         $ 0 0 (6,770,000) 0 (6,770,000)
Balance (in shares) at Jun. 30, 2025                                         1,027,701        
Balance at Jun. 30, 2025                                         $ 1,000 268,039,000 (262,855,000) $ (67,000) 5,118,000
Balance (in shares) at Jun. 30, 2025                                               2,648  
Stock-based compensation                                         $ 0 506,000 0 $ 0 506,000
Balance (in shares) at Dec. 31, 2025                                         2,999,592        
Balance at Dec. 31, 2025                                         $ 3,000 285,212,000 (270,416,000) $ (29,000) $ 14,770,000
Balance (in shares) at Dec. 31, 2025                                               5,306 5,306
Stock-based compensation                                         $ 0 775,000 0 $ 0 $ 775,000
Common stock issued to employees and directors, includes RSUs vesting and withholdings to satisfy tax withholdings on RSUs vesting (in shares)                                         33,045     (1,180)  
Common stock issued to employees and directors, includes RSUs vesting and withholdings to satisfy tax withholdings on RSUs vesting                                         $ 0 (91,000) 0 $ 13,000 (78,000)
Common stock issued (in shares) 379,772     0 379,772                                        
Common stock issued $ 1,000 1,875,000 0 $ 0 $ 1,876,000                                        
Net loss                                         $ 0 0 (8,434,000) 0 (8,434,000)
Balance (in shares) at Jun. 30, 2026                     3,543,978                   3,543,978        
Balance at Jun. 30, 2026                     $ 4,000 $ 288,392,000 $ (278,850,000) $ (16,000) $ 9,530,000           $ 4,000 288,392,000 (278,850,000) $ (16,000) $ 9,530,000
Balance (in shares) at Jun. 30, 2026                           4,126                   4,126 4,126
Common stock issued for employee stock purchase plan sales (in shares)                                         131,569     0  
Common stock issued for employee stock purchase plan sales                                         $ 0 621,000 0 $ 0 $ 621,000
Stock-based compensation                                         $ 0 775,000 0 0 775,000
Balance (in shares) at Mar. 31, 2026                                         3,350,604        
Balance at Mar. 31, 2026                                         $ 3,000 287,525,000 (274,370,000) $ (32,000) 13,126,000
Balance (in shares) at Mar. 31, 2026                                               6,685  
Stock-based compensation                                         $ 0 325,000 0 $ 0 325,000
Common stock issued to employees and directors, includes RSUs vesting and withholdings to satisfy tax withholdings on RSUs vesting (in shares)                                         12,382     (2,559)  
Common stock issued to employees and directors, includes RSUs vesting and withholdings to satisfy tax withholdings on RSUs vesting                                         $ 0 (38,000) 0 $ 16,000 (22,000)
Common stock issued (in shares) 180,992     0                                          
Common stock issued $ 1,000 $ 580,000 $ 0 $ 0 $ 581,000                                        
Net loss                                         $ 0 0 (4,480,000) 0 (4,480,000)
Balance (in shares) at Jun. 30, 2026                     3,543,978                   3,543,978        
Balance at Jun. 30, 2026                     $ 4,000 $ 288,392,000 $ (278,850,000) $ (16,000) $ 9,530,000           $ 4,000 288,392,000 (278,850,000) $ (16,000) $ 9,530,000
Balance (in shares) at Jun. 30, 2026                           4,126                   4,126 4,126
Stock-based compensation                                         $ 0 $ 325,000 $ 0 $ 0 $ 325,000