In particular, with increased reliance on government contracts, the business had inevitably become one where larger contracts dominated the earnings and cash flow of the group.
"Whilst this has the benefit of scale, so it also means the earnings are less predictable than historically," it said, adding the pattern was likely to continue.
The group's cash flow was severely adversely impacted, in both Asia and North America, from its government contracts which led to significant working capital constraints on the business.
"The directors expect this to improve in the current financial year but it will continue to be challenging," the company said.
The result includes a full 12-month result for all FMS investments as opposed to the previous financial report which recorded only a part-year consolidation due to the timing of the acquisition.
FMS's loss came to $2.9 million in the March 2018 year.
The company's shares last traded on the NZX at 8c each after peaking mid-way through last year at 15c. -- Jamie Gray