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Note 4 - Fair Value Measurements
 6 Months Ended
Sep. 30, 2023
Notes to Financial Statements  
Fair Value Disclosures [Text Block]

Note 4. Fair Value Measurements

 

Our financial instruments consist primarily of cash and cash equivalents, trade accounts receivable, obligations under trade accounts payable, and debt. Due to their short-term nature, the carrying values for cash and cash equivalents, trade accounts receivable, and trade accounts payable approximate fair value; they are classified within Level 1 of the fair value hierarchy. 

 

Historically, the financial instruments that subject us to the highest concentration of credit risk are cash and cash equivalents and accounts receivable. We maintain relationships and cash deposits at multiple banking institutions across the world in an effort to diversify and reduce risk of loss. Concentration of credit risk with respect to accounts receivable is limited to customers to whom we make significant sales. No customers accounted for more than 10% of total trade receivables as of September 30, 2023.

 

We record an allowance for potential uncollectible amounts against our accounts receivable using historical collection experience and current and expected future economic and market conditions. To manage credit risk, we consider the creditworthiness of new and existing customers, and we regularly review outstanding balances and payment histories. We  may require pre-payments from customers under certain circumstances and  may limit future purchases until payments are made on past due amounts.

 

We have outstanding $172,500 aggregate principal amount of 1.375% convertible senior notes due  August 15, 2025 (the "Notes"). We estimate the fair value of the Notes using Level 2 inputs based on the last actively traded price or observable market input preceding the end of the reporting period, and the fair value is approximately correlated to our stock price.

 

The estimated fair value and carrying value of the Notes was as follows:

 

  

September 30, 2023

  

March 31, 2023

 
  

Carrying Value

  

Fair Value (Level 2)

  

Carrying Value

  

Fair Value (Level 2)

 

Notes

 $170,733  $155,681  $170,272  $161,072 

 

We are obligated to pay contingent consideration of $1,500 cash related to the Belyntic acquisition upon approval of pending patent applications. We estimate the fair value of the contingent consideration using a probability-weighted outcome analysis based on our expectations of patent approval, leveraging our historical experience and expert input, and we adjust the estimated fair value at each reporting period through earnings. The fair value of the contingent consideration was $1,180 as of September 30, 2023 and is recorded in other accrued expenses on the accompanying Condensed Consolidated Balance Sheets. The first subset of patents was granted by the European Patent Office effective October 18, 2023, and we anticipate approval of the remaining pending patents within one year of September 30, 2023.

 

Amounts recognized or disclosed at fair value in the unaudited condensed consolidated financial statements on a nonrecurring basis include the initial recognition and disclosure of most assets and liabilities purchased in business acquisitions and any related measurement period adjustments. Additionally, assets such as property and equipment, operating lease assets, goodwill, and other intangible assets are adjusted to fair value if determined to be impaired. We recorded no impairments during the three and six months ended September 30, 2023 or 2022. Fair values of such assets and liabilities require measurement using Level 3 inputs.

 

There were no transfers between the levels of the fair value hierarchy during the three and six months ended September 30, 2023 or 2022.