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Long-Term Debt - Summary of Line Items Impacted by the Adoption of ASU 2015-3 (Detail) - USD ($)
$ in Thousands
Sep. 30, 2016
Jun. 30, 2016
Sep. 30, 2015
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Prepaid expense and other current assets $ 3,008 $ 2,768  
Total current assets 24,038 17,892  
Other noncurrent assets 676 732  
Total noncurrent assets 5,933 13,219  
Total Assets 40,663 44,105 $ 55,295
Current maturities of long-term debt 7,113 7,473  
Total current liabilities 14,364 20,051  
Long-term debt 1,710 2,979  
Total long-term liabilities 3,738 4,565  
Total Liabilities and Shareholders' Equity $ 40,663 44,105  
As Originally Reported [Member]      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Prepaid expense and other current assets   2,777  
Total current assets   17,901  
Other noncurrent assets   1,459  
Total noncurrent assets   13,946  
Total Assets   44,841  
Current maturities of long-term debt   8,012  
Total current liabilities   20,590  
Long-term debt   3,176  
Total long-term liabilities   4,762  
Total Liabilities and Shareholders' Equity   44,841  
Adjustments for the Adoption of ASU 2015-3 [Member]      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Prepaid expense and other current assets   (9)  
Total current assets   (9)  
Other noncurrent assets   (727)  
Total noncurrent assets   (727)  
Total Assets   (736)  
Current maturities of long-term debt   (539)  
Total current liabilities   (539)  
Long-term debt   (197)  
Total long-term liabilities   (197)  
Total Liabilities and Shareholders' Equity   $ (736)