Business Combinations and Asset Acquisitions (Tables)

9 Months Ended

Sep. 30, 2012

Business Acquisition [Line Items]

Consolidated results of operation or financial condition

The following unaudited supplemental pro forma information combines the Company's results with those of St. Jude, Accumed and Zerusa as if the acquisitions had occurred at the beginning of each of the periods presented.  This unaudited pro forma information is not intended to represent or be indicative of the Company's consolidated results of operations or financial condition that would have been reported for the periods presented had the acquisition been completed at the beginning of each of the periods presented, and should not be taken as indicative of the Company's future consolidated results of operations or financial condition:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2012		2011		2012		2011
Revenue	$	24,615,000	$	25,132,000	$	73,710,000	$	70,410,000
Net earnings		2,527,000		3,601,000		6,694,000		7,307,000
Net earnings per share
Basic	$	0.16	$	0.22	$	0.42	$	0.44
Diluted	$	0.15	$	0.21	$	0.41	$	0.42

St. Jude Medical, Cardiology Division, Inc. [Member]

Business Acquisition [Line Items]

Purchase price allocation

The purchase price was allocated as follows:

Inventory and equipment	$	206,000
Purchased technology		850,000
Other intangibles		500,000
Goodwill		1,444,000
	$	3,000,000

Accumed Systems, Inc. [Member]

Business Acquisition [Line Items]

Purchase price allocation

The purchase price was allocated as follows:

Inventory and equipment	$	8,000
Purchased technology		740,000
Other intangibles		190,000
Goodwill		562,000
	$	1,500,000

Zerusa Limited [Member]

Business Acquisition [Line Items]

Purchase price allocation

The purchase price was allocated as follows:

Inventory and equipment	$	48,000
Purchased technology		1,000,000
Other intangibles		800,000
Goodwill		2,424,000
	$	4,272,000