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Consolidated Balance Sheets (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Current Assets    
Cash and cash equivalents $ 1,682 $ 1,505
Treasury bills 5,333 5,227
Available-for-sale securities 2,080 2,718
Trade receivables, less allowance for doubtful accounts of $10 and $8, respectively 876 746
Inventories 1,023 1,060
Income tax receivable 0 1
Other current assets 193 135
Total current assets 11,187 11,392
Intangible asset, net 116 0
Property and equipment, net 2,679 1,217
Total assets 13,982 12,609
Current Liabilities    
Current maturities of note payable 381 0
Accounts payable current 120 59
Accrued expenses current 338 265
Accrued income tax 199 0
Total current liabilities 1,038 324
Long-term liabilities    
Note payable - long term 390 0
Contingent earn-out 472 0
Deferred income tax 792 1,022
Total long-term liabilities 1,654 1,022
Commitments and contingencies      
Stockholders' equity    
Common stock par value $0.10 per share; authorized 10,000,000 shares; issued and outstanding: 3,395,521 and 3,394,707 shares, respectively 340 339
Additional paid-in capital 1,763 1,746
Retained earnings 7,947 7,547
Accumulated other comprehensive income (unrealized gain on available-for-sale securities, net of income tax) 1,240 1,631
Total stockholders' equity 11,290 11,263
Total liabilities and stockholders' equity $ 13,982 $ 12,609