Consolidated Balance Sheets (Restated) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
ASSETS
Cash	$ 3,152	$ 2,942
Marketable securities	209
Accounts receivable, net	2,504	2,227
Note and interest receivable, current portion	249	600
Inventories, net	824	833
Other current assets	284	404
Total current assets	7,222	7,006
Investments	1,288	1,286
Note and interest receivable, net of current portion	240	473
Property and equipment, at cost less accumulated depreciation	1,222	1,149
Patents, net	133	177
Total assets	10,105	10,091
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable	463	322
Deferred revenue, current portion	907	1,604
Accrued payroll	460	550
Accrued expenses	669	640
Other current liabilities	369	307
Total current liabilities	2,868	3,423
Deferred revenue, net of current portion	50	70
Other long-term liabilities	140	137
Commitments and contingencies (Note 9)
Common stock, $0.01 par value, 20,000,000 shares authorized, 8,958,028 issued and outstanding at December 31, 2011 and 2010	90	90
Additional paid-in capital	21,461	21,418
Accumulated other comprehensive income (loss)	(111)	3
Accumulated deficit	(14,290)	(15,347)
Total Intelligent Systems Corporation stockholders’ equity	7,150	6,164
Non-controlling interest	(103)	297
Total stockholders’ equity	7,047	6,461
Total liabilities and stockholders’ equity	$ 10,105	$ 10,091