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CONSOLIDATED BALANCE SHEETS (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Current assets:    
Cash and cash equivalents $ 2,558 $ 4,162
Trade accounts receivable, net 2,374 2,874
Inventories, net 8,242 7,543
Current portion of deposits 647 714
Prepaid expenses and other current assets 941 951
Total current assets 14,762 16,244
Property and equipment, net 7,150 7,229
Brand name and trademark 1,510 1,510
Purchased technology and license rights, net 620 664
Deferred income tax assets, net 2,702 1,799
Deposits, net of current portion 448 133
Other assets 735 604
Total assets 27,927 28,183
Current liabilities:    
Accounts payable 828 803
Accrued payroll 95 118
Accrued vacation 244 186
Current portion of mortgage note payable to bank 142 138
Current portion of settlement 93 232
Accrued and other liabilities 1,551 445
Total current liabilities 2,953 1,922
Bonds payable, net of current portion 3,209 3,281
Derivative liabilities 81 85
Total liabilities 6,243 5,288
Stockholders' equity:    
Preferred stock, par value $.001; 10,000,000 shares authorized; none issued or outstanding      
Common stock, par value $.001 par value; 40,000,000 shares authorized; 17,816,336 and 17,781,538 issued and 17,673,257 and 17,638,459 outstanding on June 30, 2013 and December 31, 2012, respectively 18 18
Additional paid-in capital 25,835 25,517
Deficit (4,169) (2,640)
Total stockholders' equity 21,684 22,895
Total liabilities and stockholders' equity $ 27,927 $ 28,183