Year Ended December 31,

2022

2021

2020

2019

2018

Per Share Data ⁽¹⁾

Net asset value at beginning of period

$

2.80

2.44

2.05

2.30

1.96

Net investment gain (loss)

0.23

0.27

0.11

(0.14

)

(0.11

)

Net realized and unrealized gains

(0.11

)

0.54

0.41

0.00

0.45

Provision for income taxes

(0.03

)

(0.23

)

(0.05

)

0.00

Stock-based compensation

0.05

0.00

(0.02

)

0.00

Repurchase of common stock

0.00

0.05

0.00

Other changes in equity

0.03

0.00

Payment of common stock dividend

0.00

(0.22

)

(0.11

)

(0.11

)

0.00

Net asset value at end of period

$

2.97

2.80

2.44

2.05

2.30

Ratio / Supplemental Data

Per share market value of investments at end of period

$

2.73

2.95

1.40

0.36

2.03

Shares outstanding at end of period

6,185,255

4,795,739

4,793,739

4,918,845

Average weighted shares outstanding for the period

5,333,028

4,795,242

4,830,691

4,918,845

Net assets at end of period

$

18,342,339

13,414,049

11,640,887

10,068,533

11,278,889

Average net assets ⁽²⁾

$

15,733,550

13,155,207

10,504,563

11,473,535

10,341,702

Total investment return

3.57

%

24.07

%

23.08

%

(5.88

)%

17.24

%

Portfolio turnover rate (3)

128.80

%

168.67

%

61.11

%

7.63

%

26.93

%

Ratio of operating expenses to average net assets ⁽³⁾

(17.53

)%

(10.30

)%

(7.16

)%

(7.27

)%

(6.59

)%

Ratio of net investment income (loss) to average net assets⁽³⁾

9.16

%

9.89

%

5.35

%

(5.86

)%

(5.13

)%