Malaysian ID tech firm Datasonic Group has reported that improved margins helped it achieved steady net profit in the last quarter ended March 31 despite lower revenue.This year, the company is looking to expand its business overseas."We will consolidate and expand our business locally and market our total solutions for secure ID and e-passport to overseas for sustainable growth and profitability," group chairman General Tan Sri Mohamed Hashim Mohd Ali said in a statement.The company reported a net profit of RM17.4mil ($4.3m) in the fourth quarter on revenue of RM64.6mil, lifting its full year (FY18) earnings to RM67.2mil and sales to RM258mil.Datasonic has declared a fourth interim dividend of 1 sen share. Total payout for FY18 stood at 4 sen, the same as FY17.The group said it generated a net cash of RM110.6mil from operating activities in FY18. A total RM49mil was expended for capital expenditure on assets related to new projects."The outflow for financing activities was in relation to dividends paid to shareholders amounted to RM67.5mil in FY18, and repayments of trade and other financing balances of approximately RM128mil.Datasonic supplies smart cards and passports to the Government.