Note 4 - Acquisitions (Detail) (USD $)		1 Months Ended				1 Months Ended		1 Months Ended			0 Months Ended		1 Months Ended		1 Months Ended		1 Months Ended		0 Months Ended		0 Months Ended	1 Months Ended
	Apr. 11, 2011	Jun. 30, 2012 Minimum [Member] CareCentric [Member] Customer Relationships [Member]	Jun. 30, 2012 Maximum [Member] CareCentric [Member] Customer Relationships [Member]	Jun. 30, 2012 Cyto Management System [Member]	Apr. 18, 2012 Cyto Management System [Member]	Jun. 30, 2012 Transtem LLC [Member]	Jan. 03, 2012 Transtem LLC [Member]	Jun. 30, 2012 CareCentric [Member] Purchased Technology [Member]	Jun. 30, 2012 CareCentric [Member] Contract Backlog [Member]	Jun. 30, 2012 CareCentric [Member] Trade Names [Member]	Apr. 11, 2011 CareCentric [Member]	Jun. 30, 2012 CareCentric [Member]	Jun. 30, 2012 HAI [Member] Purchased Technology [Member]	Dec. 11, 2009 HAI [Member] Purchased Technology [Member]	Jun. 30, 2012 HAI [Member] Customer Relationships [Member]	Dec. 11, 2009 HAI [Member] Customer Relationships [Member]	Jun. 30, 2012 HAI [Member] Contract Backlog [Member]	Dec. 11, 2009 HAI [Member] Contract Backlog [Member]	Dec. 11, 2009 HAI [Member]	Jun. 30, 2012 HAI [Member]	Dec. 11, 2009 ARI [Member]	Jun. 30, 2012 ARI [Member]	Apr. 11, 2011 Purchased Technology [Member]	Apr. 11, 2011 Customer Relationships [Member]	Apr. 11, 2011 Contract Backlog [Member]	Apr. 11, 2011 Trade Names [Member]
Business Acquisition, Cost of Acquired Entity, Cash Paid					$ 2,191,000		$ 667,000				$ 2,084,000								$ 3,501,000		$ 2,061,000
Acquired Finite-lived Intangible Asset, Amount					1,721,000		813,000							756,000		1,285,000		158,000			763,000		1,302,000	1,368,000	26,000	11,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		5 years	6 years	5 years		5 years		5 years	1 month	4 years			5 years		6 years		13 months					6 years
Business Acquisition, Cost of Acquired Entity, Purchase Price				2,191,000		667,000					3,000,000	1,933,000								3,501,000		2,061,000
Total Working Capital Adjustments	1,067,000
Cash Acquired from Acquisition											151,000								5,000
Business Combination, Acquisition Related Costs											27,000								40,000		21,000
Business Acquisition, Contingent Consideration, Potential Cash Payment																			954,000		546,000
Business Acquisition Working Capital Adjustment																			22,000		14,000
Business Acquisition, Contingent Consideration, at Fair Value																			$ 871,000		$ 498,000