| Period | Value | YoY Chg | Change % | Date | Report | Filed | Fiscal Year | Fiscal Period |
|---|---|---|---|---|---|---|---|---|
| Q4 2024 | $17,506,000 | -$639,000 | -3.5% | 31 Dec 2024 | 10-K | 21 Feb 2025 | 2024 | FY |
| Q4 2023 | $18,145,000 | +$346,000 | +1.9% | 31 Dec 2023 | 10-K | 21 Feb 2025 | 2024 | FY |
| Q4 2022 | $17,799,000 | -$647,000 | -3.5% | 31 Dec 2022 | 10-K | 21 Feb 2025 | 2024 | FY |
| Q4 2021 | $18,446,000 | -$799,000 | -4.2% | 31 Dec 2021 | 10-K | 23 Feb 2024 | 2023 | FY |
| Q4 2020 | $19,245,000 | +$935,000 | +5.1% | 31 Dec 2020 | 10-K | 24 Feb 2023 | 2022 | FY |
| Q4 2019 | $18,310,000 | -$191,000 | -1% | 31 Dec 2019 | 10-K | 25 Feb 2022 | 2021 | FY |
| Q4 2018 | $18,501,000 | -$533,000 | -2.8% | 31 Dec 2018 | 10-K | 26 Feb 2021 | 2020 | FY |
| Q4 2017 | $19,034,000 | +$1,350,000 | +7.6% | 31 Dec 2017 | 10-K | 28 Feb 2020 | 2019 | FY |
| Q3 2017 | $18,862,000 | +$540,000 | +2.9% | 30 Sep 2017 | 10-Q | 09 Nov 2017 | 2017 | Q3 |
| Q2 2017 | $18,476,000 | +$272,000 | +1.5% | 30 Jun 2017 | 10-Q | 04 Aug 2017 | 2017 | Q2 |
| Q1 2017 | $17,821,000 | -$646,000 | -3.5% | 31 Mar 2017 | 10-Q | 10 May 2017 | 2017 | Q1 |
| Q4 2016 | $17,684,000 | -$291,000 | -1.6% | 31 Dec 2016 | 10-K | 01 Mar 2019 | 2018 | FY |
| Q3 2016 | $18,322,000 | +$70,000 | +0.38% | 30 Sep 2016 | 10-Q | 04 Nov 2016 | 2016 | Q3 |
| Q2 2016 | $18,204,000 | -$29,000 | -0.16% | 30 Jun 2016 | 10-Q | 05 Aug 2016 | 2016 | Q2 |
| Q1 2016 | $18,467,000 | +$605,000 | +3.4% | 31 Mar 2016 | 10-Q | 06 May 2016 | 2016 | Q1 |
| Q4 2015 | $17,975,000 | -$1,145,000 | -6% | 31 Dec 2015 | 10-K | 23 Feb 2018 | 2017 | FY |
| Q3 2015 | $18,252,000 | -$1,359,000 | -6.9% | 30 Sep 2015 | 10-Q | 06 Nov 2015 | 2015 | Q3 |
| Q2 2015 | $18,233,000 | -$2,358,000 | -11% | 30 Jun 2015 | 10-Q | 07 Aug 2015 | 2015 | Q2 |
| Q1 2015 | $17,862,000 | -$2,813,000 | -14% | 31 Mar 2015 | 10-Q | 08 May 2015 | 2015 | Q1 |
| Q4 2014 | $19,120,000 | -$1,552,000 | -7.5% | 31 Dec 2014 | 10-K | 24 Feb 2017 | 2016 | FY |
| Q3 2014 | $19,611,000 | -$837,000 | -4.1% | 30 Sep 2014 | 10-Q | 06 Nov 2014 | 2014 | Q3 |
| Q2 2014 | $20,591,000 | +$641,000 | +3.2% | 30 Jun 2014 | 10-Q | 08 Aug 2014 | 2014 | Q2 |
| Q1 2014 | $20,675,000 | +$893,000 | +4.5% | 31 Mar 2014 | 10-Q | 09 May 2014 | 2014 | Q1 |
| Q4 2013 | $20,672,000 | +$550,000 | +2.7% | 31 Dec 2013 | 10-K | 26 Feb 2016 | 2015 | FY |
| Q3 2013 | $20,448,000 | +$624,000 | +3.1% | 30 Sep 2013 | 10-Q | 08 Nov 2013 | 2013 | Q3 |
| Q2 2013 | $19,950,000 | +$284,000 | +1.4% | 30 Jun 2013 | 10-Q | 08 Aug 2013 | 2013 | Q2 |
| Q1 2013 | $19,782,000 | -$463,000 | -2.3% | 31 Mar 2013 | 10-Q | 09 May 2013 | 2013 | Q1 |
| Q4 2012 | $20,122,000 | +$188,000 | +0.94% | 31 Dec 2012 | 10-K | 27 Feb 2015 | 2014 | FY |
| Q3 2012 | $19,824,000 | -$513,000 | -2.5% | 30 Sep 2012 | 10-Q | 09 Nov 2012 | 2012 | Q3 |
| Q2 2012 | $19,666,000 | -$1,671,000 | -7.8% | 30 Jun 2012 | 10-Q | 09 Aug 2012 | 2012 | Q2 |
| Q1 2012 | $20,245,000 | -$808,000 | -3.8% | 31 Mar 2012 | 10-Q | 10 May 2012 | 2012 | Q1 |
| Q4 2011 | $19,934,000 | -$400,000 | -2% | 31 Dec 2011 | 10-K | 14 Mar 2014 | 2013 | FY |
| Q3 2011 | $20,337,000 | 30 Sep 2011 | 10-Q | 08 Nov 2011 | 2011 | Q3 | ||
| Q2 2011 | $21,337,000 | 30 Jun 2011 | 10-Q | 08 Aug 2011 | 2011 | Q2 | ||
| Q1 2011 | $21,053,000 | 31 Mar 2011 | 10-Q | 10 May 2011 | 2011 | Q1 | ||
| Q4 2010 | $20,334,000 | 31 Dec 2010 | 10-K | 15 Mar 2013 | 2012 | FY |