| Balance at 31 March 2014 | 5,435 | 18,488 | 6,888 | 30,856 | 61,667 |
| Total comprehensive (expense)/income for the year: | | | | | |
| Profit for the year | — | — | — | 8,394 | 8,394 |
| Other comprehensive expense for the year | — | — | (546) | — | (546) |
| Total comprehensive (expense)/income recognised for the year | — | — | (546) | 8,394 | 7,848 |
| Issue of share capital (note 24) | 374 | 2,490 | — | — | 2,864 |
| Share based payment transactions (including tax) | — | — | — | 870 | 870 |
| Dividends (note 24) | — | — | — | (1,569) | (1,569) |
| Total transactions with owners | 374 | 2,490 | — | (699) | 2,165 |
| Balance at 31 March 2015 | 5,809 | 20,978 | 6,342 | 38,551 | 71,680 |