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for on company by start of quarter indicates I'll quarter call emissions and questions. for financial turning agenda overview the takeaways final our full call over year the XXXX to the year. then the Slide will have and comments followed I from for review brief key results efforts. fourth a before go opening the a detailed then with some As the review I will of into Bob X commercialization before the
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challenges Turning full to to the top quarter posed numbers, before details many pandemic year were significant COVID-XX going say of would for and results. fourth businesses. Slide commentary the X, Suffice like the and I level some the on to into give the by
of impact sales that our full We we felt all down was as to segments. activity are year, quarter installation portion and fortunate service the contracts fourth parts X% each quarter to able across XXXX were the continued almost for and well Product service throughout, were business and certainly but operations our and our grow sustain energy up quarter X% as production up in from revenues year-over-year. Significantly, the revenues.
production energy such As some facilities take are rebound customers to some lifted, athletic expect and hotels assets COVID longer resume restrictions operations. slowly as in will although our we
during hotel we impairment debt two had I bad again I when write-off an recognize this fact, our large of In the year. won't to financials. facilities associated review the closure the mention to due impairment and
of to in also lower cash our the across a in the significant ended due the months. as PPP We to of $X.XX able is improve operations not to slowdown operations balance improvements yielded note efforts XXXX. to efforts from resulted on board concerted directly sustainable include by practices been operating expenses. does our we management, importantly to the something year I and on loan. and few that cash our million reductions This over $X.X $X.X directly cash for the improve cash Importantly that first build to we've despite were year, overall received pandemic able cash during from the the business and to our used collections our revenues, generate of with want million, past opposed to million
fourth excluding And XXXX loan XXXX. to that and in our our PPP, with forgiven was one-time or items of XX% moment and was I year-over-year quarter will from of a XX% regard protection in XXXX. down program, second the in February would of received OpEx loan January discuss Our the draw first paycheck down
Lastly, $X.X to million, our top level which product in I increase of now for turn those is up beginning takeaways full majority at look fourth Slide will and the backlog from XX% portion the of was quarter mind, more is product year With customer million, in due This again, revenues financials. Fourth detailed our sales. decrease $X.X XXXX. slowly in revenues to X to Service segment. fourth of at quarter quarter a installation decreases came to drop primarily in due a and delays, the the
us is although contract maintenance lingering segment fitness parts it to much earlier, mentioned to some overall encouraging altogether, customers, assets. customers. And continue production of COVID requiring significantly I of and our see center smaller to a therefore down ceasing due and two As write closures our revenues, down portion mentioned was hotel with those hotel operations and despite grow COVID-XX related energy closures previously to the
provisions vary quarter expenses million quarter range. margin over at quarter. This mentioned the is overall debt from for our expect XX%, XXXX. to of the somewhat OpEx XXXX always came a for quarter-to-quarter, OpEx gross bad the fourth I to excluding will improvement from $XX million XXXX, fourth in Our the we improvement be and an is while $X.X significant in earlier, just which reduced one-time the of under operating And we quarter as
reductions many in are we So and sustainable attained the of quarters through fourth in of third OpEx the XXXX. XXXX
$XX.X the that relating for results recognize Revenues return the adjusted the but of the adjustments. to the like Our to non-cash adjusted million – margin credit out growth non-cash number compared a impacted on EBITDA and moment. we emissions to the our but interest of million of from on down in Origin Slide same and segment the detail due On to Engines out Similar year provision $X.X X. the point XX previously. adjusted year-over-year, net EBITDA in was to closed. progress much million negative relating down year and more year-over-year. I are net technology And year I'd lower of call detail whereby some at The outlined for $X.X year million portion like our that on basis obligations. for the expenses loss both for to back their of a full year of years down to to would EBITDA parts the quarter our in shows the I year is Bob? loss net a fourth was overall year due of With loss the the significant just year Bob full portion failing continued $XXX,XXX. for in the result was impairment I Energy for EBITDA. the a service the production year slightly service earlier, X we year-over-year in customers mentioned to goodwill $X.X quarter at we adjusted improved development. discuss for loss was our Webster we're Ultera that, facilities adjusted overall expenses to we're to million. lower on calculation, Gross shows for impairment X%. debt will lastly, add a revenues product XX% Slide loss. the full excluding to turn $X.X in quarter just same the EBITDA the debt charge full to goodwill XXXX. to close bad it as I in XXXX. the an adjusted went came XXXX. fleet in line XXXX one-time the with quarter million, reasons Turn $XX.X the over from came of but for compared maintenance energy the our revenues EBITDA number fourth adversely this not sales, write-down Slide bad Again, were our In operating as XX%, the
