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Fair Value Measurements (Tables)
12 Months Ended
Sep. 30, 2019
Fair Value Disclosures [Abstract]  
Fair Value Measurements for Assets and Liabilities Measured at Fair Value on Recurring Basis

The following table summarizes fair value measurements at September 30, 2019 and September 30, 2018 for assets and liabilities measured at fair value on a recurring basis:

September 30, 2019:

 

 

Level 1

 

Level 2

 

Level 3

 

Total

 

Cash and cash equivalents

$

221,804,128

 

$

 

$

 

$

221,804,128

 

Short-term investments

 

37,122,478

 

 

 

 

 

 

37,122,478

 

Long-term investments

 

45,051,251

 

 

 

 

 

 

45,051,251

 

Contingent Consideration

$

 

$

 

$

 

$

 

 

September 30, 2018:

 

 

Level 1

 

Level 2

 

Level 3

 

Total

 

Cash and cash equivalents

$

30,133,213

 

$

 

$

 

$

30,133,213

 

Short-term investments

 

45,971,126

 

 

 

 

 

 

45,971,126

 

Long-term investments

 

 

 

 

 

 

 

 

Contingent Consideration

$

 

$

 

$

 

$