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Supplemental Balance Sheet Information
 12 Months Ended
Jun. 30, 2021
Supplemental Balance Sheet Information  
Supplemental Balance Sheet Information

8.    Supplemental Balance Sheet Information

 

 

 

 

 

 

 

 

 

 

 

 

 

 

June 30, 

 

    

 

    

2021

    

2020

Inventories

 

  

 

 

  

 

 

  

Work in progress

 

  

 

$

829,962

 

$

817,692

Component parts

 

  

 

 

8,994,457

 

 

8,299,972

Finished goods

 

  

 

 

1,800,461

 

 

1,660,158

Reserve for obsolete and excess inventory

 

  

 

 

(2,174,149)

 

 

(1,849,134)

 

 

  

 

$

9,450,731

 

$

8,928,688

 

 

  

 

 

 

 

 

 

 

 

Estimated

 

 

 

 

 

 

 

 

Useful Life

 

 

 

 

 

 

 

 

(years)

 

 

 

 

 

 

Property, plant and equipment

 

  

 

 

 

 

 

 

Machinery and equipment

 

3‑10

 

$

18,998,928

 

$

18,831,765

Buildings

 

28‑35

 

 

13,055,628

 

 

13,055,628

Land and land improvements

 

5‑7

 

 

919,566

 

 

919,566

Total property, plant and equipment at cost

 

  

 

 

32,974,122

 

 

32,806,959

 

 

 

 

 

 

 

 

 

Less accumulated depreciation and amortization

 

  

 

 

(29,246,738)

 

 

(28,667,266)

 

 

  

 

$

3,727,384

 

$

4,139,693

 

Depreciation and amortization expense was approximately $0.6 million, $0.6 million, and $0.8 million for the fiscal years ended June 30, 2021, 2020 and 2019, respectively.

 

 

 

 

 

 

 

 

Other accrued liabilities

    

 

 

    

 

 

Accrued compensation expense

 

$

1,323,901

 

$

1,257,332

Environmental remediation

 

 

976,720

 

 

514,000

Other

 

 

256,514

 

 

334,799

 

 

$

2,557,135

 

$

2,106,131