Tidser began his career with Celtic, before spending a short spell in Sweden with Östersunds FK.

[5] Tidser would make an impressive start for the club, which resulted winning Young Player of the Month for March 2010[6] and has been watched by Rangers coach Kenny McDowall.

A week later, on 23 August 2011, he scored again and setting up a goal for MacDonald, in the second round of the Scottish League Cup, in a 4–3 loss against St Mirren.

[17] In January 2012, after Stuart McCaffrey was ruled out for the season, Tidser was made Morton's team captain just after his 22nd birthday.

On 6 October 2012 Tidser provided a double assist for Kevin Rutkiewicz and Mark McLaughlin, in a 3–1 win over Partick.

[21] In June 2013, Tidser was the subject of a £50k bid from Rotherham United, which was rejected by Morton chairman Douglas Rae at first.

[25] After featuring on the bench in the first two matches of the opening game of the 2013–14 season, Tidser finally made his debut after coming on as a late substitute in a 2–1 win over Crawley Town.

[27][28] Tidser made his Ross County debut the next day, coming on as a substitute in the second half, in a 1–0 win over St Johnstone.

[31] After making his return to Rotherham United, Tidser made his first appearance in a year for the club, in a 1–0 win over Fleetwood Town in the first round of the League Cup.

[34] But on 1 September 2014, in the last hour of Deadline Day, Tidser signed for Oldham Athletic on loan until January 2015.

[35] Tidser made his Oldham Athletic debut in the second round of Football League Trophy, which they beat Barnsley 4–2 on penalty shoot-out.

[42] His 2015–16 season with Morton was limited to very few appearances before finally being ruled out all together in March after suffering a suspected hernia.