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Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
ASSETS |  |
Cash | $ 2,347 | $ 3,152
Marketable securities | 270 | 209
Accounts receivable, net | 3,038 | 2,504
Note and interest receivable, current portion | 249 | 249
Inventories, net | 882 | 824
Other current assets | 340 | 284
Total current assets | 7,126 | 7,222
Investments | 1,559 | 1,288
Note and interest receivable, net of current portion |  | 240
Property and equipment, at cost less accumulated depreciation | 1,144 | 1,222
Patents, net | 107 | 133
Total assets | 9,936 | 10,105
LIABILITIES AND STOCKHOLDERS’ EQUITY |  |
Accounts payable | 294 | 463
Deferred revenue, current portion | 918 | 907
Accrued payroll | 519 | 460
Accrued expenses | 711 | 669
Other current liabilities | 379 | 369
Total current liabilities | 2,821 | 2,868
Deferred revenue, net of current portion | 48 | 50
Other long-term liabilities | 148 | 140
Common stock, $0.01 par value, 20,000,000 shares authorized, 8,958,028 issued and outstanding at December 31, 2012 and 2011 | 90 | 90
Additional paid-in capital | 21,406 | 21,461
Accumulated other comprehensive income (loss) | (101) | (111)
Accumulated deficit | (13,758) | (14,292)
Total Intelligent Systems Corporation stockholders’ equity | 7,637 | 7,148
Non-controlling interest | (718) | (101)
Total stockholders’ equity | 6,919 | 7,047
Total liabilities and stockholders’ equity | $ 9,936 | $ 10,105

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