The Brooklyn Nets' slide has reached five straight defeats, but rookie coach Jason Kidd continues to have the support of the team's Russian ownership, according to league sources. Playing without the injured Deron Williams, Brook Lopez, Andrei Kirilenko and Jason Terry, Brooklyn faded in the second half Sunday night and came away with a 109-97 home loss to the Detroit Pistons to fall to a stunning 3-10. But sources told that Kidd continues to have the backing of his bosses with Brooklyn dealing with several injuries and other mitigating factors which have contributed to the poor start. The Nets are in 14th place in the East through Sunday, despite the NBA-record payroll sanctioned by Russian billionaire owner Mikhail Prokhorov, who is on course to spend around $190 million this season on salaries and luxury taxes. Among the Nets' initial concerns early in the season, sources confirmed, were some "philosophical differences" between Kidd and lead assistant Lawrence Frank. But sources stressed to that the Nets have been working to smooth out any issues in recent days. "They're fine," one source said of Kidd and Frank. Coming into the season, Frank was considered as the ideal complement to Kidd as he learned on the job, similar to the set up in Chicago when first-time head coach Vinny Del Negro was flanked by two veteran head coaches in Del Harris and Bernie Bickerstaff. The New York Daily News, in Friday's editions, first reported an issue between Kidd and Frank; multiple sources with knowledge of the situation have labeled it "friction" to