12 unchanged sentences
Revenues for the year ended December 31, 2021 were $7,755,306 and 2020 were $1,059,691, respectively.
−Removed: The primary drivers for revenue decline was reduction in demand for coal because of Covid-19.
+Added: The primary drivers for revenue increase was additional demand for coal since Covid-19.
For the year ended 2021, tons sold to steel making end users amounted to 60,512 with a realized sales price of $75.39.
For the year ended 2020, tons sold to steel making end users amounted to 6,569 with a realized sales price of $59.09.
−Removed: For the year ended 2020, tons sold to industrial and utility end users amounted to 1,099.98 with a realized sales price of $58.24.
+Added: For the year ended 2021, tons sold to industrial and specialty end users amounted to 28,333,408 with a realized sales price of $112.46.
For the year ended 2020, tons sold to industrial and utility end users amounted to 1,099.98 with a realized sales price of $58.24.
Total Operating Expenses for the year ended December 31, 2021 were $36,088,714 and 2020 were $17,507,056, respectively.
−Removed: The primary driver for the decrease in operating expenses was closing production in the mines due to a loss of demand from Covid-19.
+Added: The primary driver for the increase in operating expenses was restarting production in the mines due to an increase of demand since Covid-19.
Total Other Income/(Expenses) for the period ended December 31, 2021 were $(232,994) and 2020 were $20,537, respectively.
8 unchanged sentences
Business Effect of Covid-19.
−Removed: During 2020, the worldwide COVID-19 outbreak has resulted in muted demand for infrastructure and steel products and their necessary inputs including Metallurgical coal.
+Added: During 2021 and 2020, the worldwide COVID-19 outbreak has resulted in muted demand for infrastructure and steel products and their necessary inputs including Metallurgical coal.
These recent developments are expected to result in lower sales and gross margins.
34 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.