Amphastar Pharmaceuticals, Inc. Quarterly Unrecognized Tax Benefits in USD from Q4 2012 to Q4 2023

Taxonomy & unit
us-gaap: USD
Description
Amount of unrecognized tax benefits.
Summary
Amphastar Pharmaceuticals, Inc. quarterly Unrecognized Tax Benefits history and growth rate from Q4 2012 to Q4 2023.
  • Amphastar Pharmaceuticals, Inc. Unrecognized Tax Benefits for the quarter ending December 31, 2023 was $12.5M, a 3.12% decline year-over-year.
Unrecognized Tax Benefits, Quarterly (USD)
Unrecognized Tax Benefits, YoY Quarterly Growth (%)
Period Value YoY Chg Change % Date Report Filed
Q4 2023 $12.5M -$402K -3.12% Dec 31, 2023 10-K 2024-02-29
Q4 2022 $12.9M +$1.1M +9.32% Dec 31, 2022 10-K 2024-02-29
Q4 2021 $11.8M +$1.74M +17.3% Dec 31, 2021 10-K 2024-02-29
Q4 2020 $10.1M +$1.72M +20.7% Dec 31, 2020 10-K 2024-02-29
Q4 2019 $8.33M +$1.34M +19.1% Dec 31, 2019 10-K 2023-03-01
Q4 2018 $6.99M -$444K -5.97% Dec 31, 2018 10-K 2022-03-11
Q4 2017 $7.44M +$752K +11.2% Dec 31, 2017 10-K 2021-03-15
Q4 2016 $6.69M +$1.09M +19.5% Dec 31, 2016 10-K 2020-03-16
Q4 2015 $5.6M +$812K +17% Dec 31, 2015 10-K 2019-03-15
Q4 2014 $4.78M +$597K +14.3% Dec 31, 2014 10-K 2018-03-14
Q4 2013 $4.19M +$654K +18.5% Dec 31, 2013 10-K 2017-03-15
Q4 2012 $3.53M Dec 31, 2012 10-K 2016-03-15
* An asterisk sign (*) next to the value indicates that the value is likely invalid.