Commitments and Contingencies (Detail) $ in Thousands	Jun. 30, 2017 USD ($)
Line of Credit Facility [Line Items]
Long-term, Total	$ 1,806
Long-term, Debt Discounts	(20)
Long-term, Total, net of debt discounts	1,786
Short-term, Total	1,033
Short-term, Debt Discounts	(37)
Short-term, Total, net of debt discounts	996
Chang Family Trust
Line of Credit Facility [Line Items]
Long-term, Total	1,037
Chang Family Trust
Line of Credit Facility [Line Items]
Long-term, Total	474
Glenhill Concentrated Long Master Fund, LLC
Line of Credit Facility [Line Items]
Long-term, Total	250
Accredited investor
Line of Credit Facility [Line Items]
Short-term, Total	700
Accredited Investor
Line of Credit Facility [Line Items]
Short-term, Total	160
Accredited Investor
Line of Credit Facility [Line Items]
Short-term, Total	80
Ascentium Capital, LLC
Line of Credit Facility [Line Items]
Short-term, Total	53
Ascentium Capital, LLC
Line of Credit Facility [Line Items]
Long-term, Total	29
Short-term, Total	25
Royal Bank America Leasing, L.P.
Line of Credit Facility [Line Items]
Short-term, Total	5
Ascentium Capital, LLC
Line of Credit Facility [Line Items]
Long-term, Total	16
Short-term, Total	$ 10