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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2025
Income Taxes  
Schedule of pre tax earnings

December 31, 

December 31, 

December 31, 

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

Pre-Tax Income (Loss)

 

  ​

 

  ​

 

  ​

U.S.

$

(31,501,564)

$

(72,864,232)

$

(49,035,562)

Outside the U.S.

 

(771,564)

 

(673,925)

 

(1,113,515)

Total Pre-Tax Income (Loss)

$

(32,273,128)

$

(73,538,157)

$

(50,149,077)

Schedule of components of income tax expense (benefit)

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

U.S. Income Taxes:

 

  ​

 

  ​

 

  ​

Current Provision

$

$

$

Deferred Provision

 

(6,002,161)

 

(13,257,284)

 

(7,207,958)

Valuation Allowance

 

6,002,161

 

13,257,284

 

7,207,958

Income Taxes Outside the U.S.:

 

 

 

Current Provision

 

 

 

Deferred Provision

 

(306,745)

 

(82,211)

 

297,343

Valuation Allowance

 

306,745

 

82,211

 

(297,343)

State Income Taxes:

 

 

 

Current Provision

 

 

 

Deferred Provision

 

(417,044)

 

(552,573)

 

(634,503)

Valuation Allowance

 

417,044

 

552,573

 

634,503

Total Provision

$

$

$

Schedule of effective income tax rate reconciliation

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

  ​ ​ ​

Amount

%  

Amount

%  

Amount

%

U.S. Federal statutory tax rate

 

$

(6,777,357)

21.0

 

$

(15,443,013)

21.0

 

$

(10,531,306)

21.0

State and local income taxes, net of federal

 

income tax effect

 

0.0

 

0.0

 

0.0

Foreign tax effects:

 

Germany

17,506

(0.1)

(17,414)

0.0

241,597

(0.5)

Japan:

NOL expiration

 

0.0

 

 

1,053,211

(2.1)

Change in valuation allowance

 

234,992

(0.7)

 

175,589

(0.2)

 

(676,708)

1.3

Other

 

(90,469)

0.3

 

(16,651)

0.0

 

(384,262)

0.8

Effect of changes in tax laws or rates enacted in

 

the current period

 

0.0

 

0.0

 

0.0

Effect of cross-border tax laws

 

0.0

 

0.0

 

265,769

(0.5)

Tax credits

(209,472)

0.6

0.0

(36,666)

0.1

Changes in valuation allowance

 

6,002,161

(18.6)

 

13,257,284

(18.0)

 

7,207,958

(14.4)

Nontaxable or nondeductible items:

 

Incentive stock options

280,906

(0.9)

700,490

(1.0)

595,925

(1.2)

Stock-based compensation (windfalls) shortfalls

(190,318)

0.6

103,096

(0.1)

109,839

(0.2)

Other

8,694

0.0

7,106

0.0

349,123

(0.7)

Changes in unrecognized tax benefits

0.0

0.0

0.0

Other adjustments:

 

Stock-based compensation adjustments for:

 

Executive compensation limitation

 

(166,112)

0.5

 

1,048,277

(1.4)

 

1,730,628

(3.5)

Expirations, forfeitures, and cancellations

 

693,946

(2.2)

 

113,056

(0.2)

 

21,098

0.0

Other

 

195,522

(0.5)

 

72,180

(0.1)

 

53,793

(0.1)

Net Effective Tax Rate

 

$

0.0

 

$

0.0

 

$

0.0

Schedule of deferred tax assets and liabilities

December 31, 

December 31, 

December 31, 

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

Deferred Tax Assets:

 

  ​

 

  ​

 

  ​

Net Operating Loss Carryforwards

$

54,622,812

$

48,639,974

$

42,538,219

Tax Credit Carryforwards

 

4,462,038

 

4,186,788

 

4,191,198

Inventory Valuation Adjustment

 

1,367,276

 

1,839,907

 

1,316,114

Stock-based Compensation

 

1,244,391

 

1,476,671

 

1,098,240

Lease Obligation Liability

 

221,167

 

107,546

 

65,628

Capitalized R&D

 

6,287,828

 

4,972,383

 

4,172,773

Intangible Assets

5,428,929

5,740,760

510,539

Investment in Atomistic

 

1,315,459

 

1,298,158

 

Other

 

343,898

 

192,038

 

627,529

Total Deferred Tax Assets

 

75,293,798

 

68,454,225

 

54,520,240

Deferred Tax Liabilities:

 

  ​

 

  ​

 

  ​

Lease Right of Use Asset

221,167

107,546

65,628

Total Deferred Tax Liabilities

 

221,167

 

107,546

 

65,628

Net Deferred Tax Assets Before Valuation Allowance

75,072,631

68,346,679

54,454,612

Valuation Allowance

 

(75,072,631)

 

(68,346,679)

 

(54,454,612)

Net Deferred Tax Assets

$

$

$