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Consolidated Balance Sheets - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Current assets    
Cash and cash equivalents   $ 5,646
Investments, at fair value   2,216
Certificates of deposits in financial institutions   513
Inventories   7,664
Accounts receivable, net of allowance for doubtful accounts and discounts & allowances of $1,600 and $1,800 at March 31, 2016 and December 31, 2015 respectively   9,604
Prepaid expenses and other current assets   201
Deferred income taxes   556
Refundable income taxes   449
Total current assets   26,849
Property and equipment, net   21,375
Intangible assets    
Goodwill & indefinite-lived intangibles   14,068
Other intangible assets, net   2,344
Total intangible assets   16,412
Other Assets    
Long-term accounts receivable, net of current portion   282
Total assets   64,918
Current liabilities    
Current maturities of notes payable   840
Accounts payable   8,393
Accrued expenses   1,538
Accrued income taxes   52
Total current liabilities   10,823
Notes payable   7,119
Deferred income taxes   1,719
Total liabilities   19,661
Stockholders' equity    
Common stock, no par value; 40,000 shares authorized; 17,274, shares issued; 16,171 and 16,210 shares outstanding at March 31, 2016 and December 31, 2015 respectively   6,509
Paid-in-capital   2,033
Treasury stock, at cost   (9,730)
Retained earnings   46,516
Accumulated other comprehensive loss, net of taxes   (71)
Total stockholders' equity $ 45,829 45,257
Total liabilities and stockholders' equity   64,918
Restated [Member]    
Current assets    
Cash and cash equivalents 3,786 $ 5,646
Investments, at fair value 2,484  
Certificates of deposits in financial institutions 150  
Inventories 9,001  
Accounts receivable, net of allowance for doubtful accounts and discounts & allowances of $1,600 and $1,800 at March 31, 2016 and December 31, 2015 respectively 10,187  
Prepaid expenses and other current assets 287  
Deferred income taxes 532  
Refundable income taxes 682  
Total current assets 27,109  
Property and equipment, net 21,080  
Intangible assets    
Goodwill & indefinite-lived intangibles 14,068  
Other intangible assets, net 2,166  
Total intangible assets 16,234  
Other Assets    
Long-term accounts receivable, net of current portion 270  
Total assets 64,693  
Current liabilities    
Current maturities of notes payable 840  
Accounts payable 7,447  
Accrued expenses 1,949  
Accrued income taxes  
Total current liabilities 10,236  
Notes payable 6,909  
Deferred income taxes 1,719  
Total liabilities 18,864  
Stockholders' equity    
Common stock, no par value; 40,000 shares authorized; 17,274, shares issued; 16,171 and 16,210 shares outstanding at March 31, 2016 and December 31, 2015 respectively 6,509  
Paid-in-capital 2,054  
Treasury stock, at cost (10,170)  
Retained earnings 47,471  
Accumulated other comprehensive loss, net of taxes (35)  
Total stockholders' equity 45,829  
Total liabilities and stockholders' equity $ 64,693