CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net sales:
Software and other	$ 23,571	$ 22,757
Professional services	12,123	9,440
Maintenance and EDI	27,940	28,781
Total net sales	63,634	60,978
Cost of sales:
Software and other	11,767	8,529
Professional services	6,525	5,892
Maintenance and EDI	8,089	8,683
Depreciation and amortization	1,810	1,879
Total cost of sales	28,191	24,983
Gross margin	35,443	35,995
Operating costs and expenses:
Sales and marketing	10,366	10,924
Product research and development	8,525	7,592
General and administrative	7,119	8,637
Acquisition-related expenses	269	362
Restructuring and other expenses	1,229	0
Depreciation and amortization	2,653	2,807
Total operating costs and expenses	30,161	30,322
Operating income	5,282	5,673
Other income (expense):
Interest expense	(8,222)	(8,167)
Interest income	173	127
Other, net	(711)	109
Total other expense	(8,760)	(7,931)
Loss before income taxes	(3,478)	(2,258)
Income tax expense (benefit)	3,015	(395)
Net income (loss)	(6,493)	(1,863)
Less: noncontrolling interest's share	(18)	(21)
Net loss attributable to common shareholders of Merge	$ (6,475)	$ (1,842)
Net loss per share attributable to common shareholders of Merge - basic (in dollars per share)	$ (0.07)	$ (0.02)
Weighted average number of common shares outstanding - basic (in shares)	93,301,277	91,334,309
Net loss per share attributable to common shareholders of Merge - diluted (in dollars per share)	$ (0.07)	$ (0.02)
Weighted average number of common shares outstanding - diluted (in shares)	93,301,277	91,334,309