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2. Supplemental Financial Information (Tables)
9 Months Ended
Mar. 31, 2018
Supplemental Financial Information Details - Equivalents  
Schedule of Inventory
  

March 31,

2018

  

June 30,

2017

 
   (In thousands) 
Finished goods  $3,917   $4,191 
Raw materials   2,139    1,694 
Finished goods held by distributors   1,322    1,074 
Inventories, net  $7,378   $6,959 
Schedule of Other Liabilities
  

March 31,

2018

  

June 30,

2017

 
   (In thousands) 
Current        
Customer deposits and refunds  $1,277   $1,119 
Accrued raw materials purchases   389    484 
Deferred revenue   316    196 
Capital lease obligations   64    61 
Taxes payable   307    275 
Accrued operating expenses   1,053    928 
Total other current liabilities  $3,406   $3,063 
           
Non-current          
Deferred rent  $164   $200 
Deferred revenue   157    196 
Total other non-current liabilities  $321   $396 
Schedule of Computation of Net Income (Loss) per Share
  

Three Months Ended

March 31,

  

Nine Months Ended

March 31,

 
   2018   2017   2018   2017 
   (In thousands, except per share data) 
Numerator:                
Net income (loss)  $344   $(162)  $(72)  $(225)
Denominator:                    
Weighted-average common shares outstanding (basic)   18,210    17,522    18,050    17,374 
Effect of dilutive securities:                    
Stock awards   908             
Denominator for net income (loss) per share (diluted)   19,118    17,522    18,050    17,374 
                     
Net income (loss) per share (basic)  $0.02   $(0.01)  $(0.00)  $(0.01)
Net income (loss) per share (diluted)  $0.02   $(0.01)  $(0.00)  $(0.01)
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share
  

Three Months Ended

March 31,

  

Nine Months Ended

March 31,

 
   2018   2017   2018   2017 
   (In thousands) 
Common stock equivalents   595    1,062    2,146    1,894 
Schedule of severance and related charges
  

Nine Months Ended

March 31,

2018

 
    (In thousands) 
Beginning balance  $ 
Charges   527 
Payments   (503)
Other adjustments   (21)
Ending balance  $3 
Schedule of Supplemental Cash Flow Information
  

Nine Months Ended

March 31,

 
   2018   2017 
   (In thousands) 
Accrued property and equipment paid for in the subsequent period  $   $17