O2Micro International Limited reported unaudited consolidated earnings results for fourth quarter and year ended December 31, 2015. For the quarter, the company's net sales were $13,379,000 against $14,330,000 a year ago. Loss from operations was $4,558,000 against $7,051,000 a year ago. Loss before income tax was $8,972,000 against $5,559,000 a year ago. Net loss was $12,797,000 against $6,009,000 a year ago. Basic and diluted loss per ADS was $0.50 against $0.23 a year ago.

For the year, the company's net sales were $54,841,000 against $63,591,000 a year ago. Loss from operations was $14,429,000 against $16,823,000 a year ago. Loss before income tax was $16,455,000 against $13,873,000 a year ago. Net loss was $21,095,000 against $15,057,000 a year ago. Basic and diluted loss per ADS was $0.81 against $0.55 a year ago.

Impairment loss on long-term investments for the quarter was $4,953,000.

For the first quarter of 2016, the company expects revenue to be down 5% to up 2% sequentially.