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v3.26.1

Condensed Consolidated Balance Sheets - USD ($) | Mar. 28, 2026 | Dec. 27, 2025
--- | --- | ---
Current assets: |  |
Cash and cash equivalents | $ 34,148,324 | $ 36,350,083
Restricted cash and cash equivalents | 25,338,612 | 25,277,063
Accounts receivable, net of allowance of $6,200 and $19,000 in 2026 and 2025, respectively | 3,441,794 | 10,726,776
Contract assets | 6,134,563 | 6,032,913
Grant income receivable | 753,068 |
Inventory | 4,977,813 | 5,505,775
Other receivable, at fair value | 4,859,350 | 5,057,974
Prepaid expenses and other current assets | 2,769,220 | 2,855,383
Total current assets | 82,422,744 | 91,805,967
Property, plant and equipment, net | 3,670,715 | 2,616,803
Operating lease right-of-use assets | 1,329,689 | 1,488,231
Other assets | 123,822 | 123,822
Equity method investment, at fair value | 9,150,000 | 8,900,000
Equity investments | 5,739,537 | 3,459,434
Total assets | 102,436,507 | 108,394,257
Current liabilities: |  |
Accounts payable | 5,713,343 | 5,315,998
Accrued payroll and expenses | 3,178,401 | 2,231,848
Accrued warranty | 41,000 | 1,165,000
Contract liabilities | 1,008,635 | 1,168,009
Deferred grant income |  | 2,688,627
Operating lease liabilities | 661,355 | 648,469
Accrued post-retirement benefits | 40,000 | 40,000
Other accrued liabilities | 771,835 | 607,915
Deferred tax liabilities | 416,583 | 422,458
Accrued litigation damages | 19,700,000 | 19,700,000
Total current liabilities | 31,531,152 | 33,988,324
Non-current contract liabilities, and asset retirement obligations | 2,728 | 3,675
Operating lease liabilities, net of current portion | 661,375 | 831,507
Accrued post-retirement benefits, net of current portion | 150,646 | 190,696
Other long-term liabilities, net of current portion | 1,673,672 | 1,706,411
Total liabilities | 34,019,573 | 36,720,613
Commitments and contingencies (Note 15) and Litigation (Note 16) |  |
Stockholders’ equity: |  |
Preferred stock, par value $.01 per share: authorized, 3,000 shares; no shares issued and outstanding as of 2026 and 2025 |  |
Common stock, par value $0.01; 275,000,000 shares authorized in 2026 and 2025, 184,280,028 issued in 2026 and 183,015,207 issued in 2025, and 176,903,857 outstanding at March 28, 2026 and December 27, 2025 | 1,776,753 | 1,776,753
Additional paid-in capital | 463,611,163 | 463,150,835
Treasury stock 771,500 shares at March 28, 2026 and December 27, 2025, at cost | (1,389,174) | (1,389,174)
Accumulated deficit | (403,173,289) | (399,421,251)
Total stockholders’ equity | 60,825,453 | 64,117,163
Total liabilities, redeemable convertible preferred stock, and stockholders’ equity | 102,436,507 | 108,394,257
Series A Redeemable Convertible Preferred Stock [Member] |  |
Current liabilities: |  |
Series A redeemable convertible preferred stock, par value $0.01, stated value $7,000 per share; 1,000 shares authorized, 1,000 issued, and outstanding at March 28, 2026 and December 27, 2025; aggregate liquidation preference of $7,028,000 at March 28, 2026 and $7,000,000 as of December 27, 2025 | $ 7,591,481 | $ 7,556,481

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