SWK Technologies has signed a letter of intent to acquire Accounting Technology Resources of Santa Ana, Calif. Both are Sage and Acumatica resellers. SWK's parent SilverSun Technologies says the deal should add $1.5 million to its annual revenue and is expected to close by February 16. ATR also handles the JobOps manufacturing package, Avalara's sales-and-use tax system, BizNet's financial reporting application and Altec's document management software, among its lineup of third-party products.