Three months ended June 30,

Six months ended June 30,

2025

2024

2025

2024

Sales

$

13,623

$

15,184

$

25,636

$

29,415

Less cost of goods sold:

Other cost of goods sold

7,614

8,821

14,256

17,266

Stock-based compensation

39

65

112

123

Amortization of intangible assets

89

89

178

178

Depreciation

42

61

91

124

Gross profit

5,839

6,148

10,999

11,724

Gross margin

43

%

40

%

43

%

40

%

Less research and development:

Other research and development expenses

2,264

2,647

4,380

5,367

Stock-based compensation expense

161

400

431

728

Severance and exit costs

65

—

112

—

Depreciation

63

69

128

141

Total research and development

2,553

3,116

5,051

6,236

Less sales and marketing:

Other sales and marketing expenses

2,255

2,271

4,565

4,346

Stock-based compensation expense

88

75

161

155

Severance and exit costs

73

—

150

—

Depreciation

3

3

7

6

Total sales and marketing

2,419

2,349

4,883

4,507

Less general and administrative:

Other general and administrative expenses

1,881

1,861

4,015

3,548

Stock-based compensation expense

315

667

806

1,247

Amortization of intangible assets

653

654

1,306

1,307

Severance and exit costs

13

—

24

—

Depreciation

5

6

10

13

Total general and administrative

2,867

3,188

6,161

6,115

Loss from operations

(2,000

)

(2,505

)

(5,096

)

(5,134

)

Employee retention credit refund

495

—

1,989

—

Employee retention credit -process costs

(45

)

—

(179

)

—

Interest income, net

100

27

321

53

Other segment (expenses) income (1)

(11

)

(1

)

(18

)

7

Loss before income taxes

(1,461

)

(2,479

)

(2,983

)

(5,074

)

Income tax expense (benefit)

14

34

38

(106

)

Net loss

$

(1,475

)

$

(2,513

)

$

(3,021

)

$

(4,968

)