Business Combination - Additional Information (Detail)			3 Months Ended			6 Months Ended
	Mar. 31, 2017 USD ($)	Apr. 14, 2016 USD ($) Employee shares	Jun. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Apr. 14, 2016 SEK / shares	Dec. 31, 2015 USD ($)
Business Acquisition [Line Items]
Business acquisition deferred payment consideration			$ 5,700,000	$ 5,700,000	$ 0	$ 5,700,000	$ 0
Minimum lender required proceeds from issuance of private placement offer		$ 12,000,000
Noncontrolling interest			611,000	611,000		611,000			$ 0
Business combination of estimated fair value of goodwill						16,786,000
Total revenue				10,735,000	7,129,000	17,297,000	14,344,000
Net loss				10,470,000	3,185,000	20,223,000	5,457,000
Allenex [Member]
Business Acquisition [Line Items]
Percentage of share acquired		98.30%
Number of employees | Employee		58
Total purchase price combination of cash and common stock		$ 34,100,000
Cash distribution to acquire business, gross		$ 26,900,000
Common stock, shares issue | shares		1,375,029
Common stock value		$ 7,200,000
Business acquisition deferred payment consideration		5,700,000
Escrow deposit		$ 8,000,000
Business acquisition of related cost expenses				1,600,000		$ 3,800,000
Fair values of certain assets and liabilities measurement period						P1Y
Percentage of non controlling interest		1.70%
Noncontrolling interest		$ 600,000
Price per share of Allenex used to determine fair value of non controlling interest | SEK / shares								SEK 2.48
Business combination of estimated fair value of goodwill		$ 16,800,000
Total revenue			3,500,000
Net loss			$ 1,400,000
Allenex [Member] | Six-Month Bridge Loan [Member]
Business Acquisition [Line Items]
Business acquisition of debt financing cost				2,900,000	2,900,000	$ 2,900,000	2,900,000
Allenex [Member] | Scenario Forecast [Member]
Business Acquisition [Line Items]
Proceeds from majority shareholders in exchange of equity securities	$ 20,000,000
Allenex [Member] | Pro Forma [Member]
Business Acquisition [Line Items]
Business acquisition of related cost expenses				$ 3,800,000	$ 3,800,000	$ 3,800,000	$ 3,800,000
Maximum [Member] | Allenex [Member]
Business Acquisition [Line Items]
Business Acquisition Deferred Payment Date						Mar. 31, 2017