Reportable Segment and Major Customers Information - Additional Information (Detail) - Customer Concentration Risk [Member] - Customer	3 Months Ended		12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Sep. 30, 2015
Two Diagnostic Distributor Customers [Member] | Consolidated Accounts Receivable [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of major customers	2		2
Concentration risk percentage	26.00%		21.00%
Two Diagnostic Distributor Customers [Member] | Segment, Third-Party Sales Revenue [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of major customers	2	2
Two Diagnostic Distributor Customers [Member] | Segment, Third-Party Sales Revenue [Member] | Diagnostics [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage	39.00%	41.00%
Two Diagnostic Distributor Customers [Member] | Revenues [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage	29.00%	31.00%
Two Diagnostic Manufacturing Customers [Member] | Segment, Third-Party Sales Revenue [Member] | Life Science [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of major customers	2	2
Concentration risk percentage	18.00%	18.00%