Consolidated Balance Sheets (Current Period Unaudited) (Restated) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
ASSETS
Cash	$ 3,077	$ 3,152
Marketable securities	228	209
Accounts receivable, net	2,745	2,504
Notes and interest receivable, current portion	243	249
Inventories, net	885	824
Other current assets	285	284
Total current assets	7,463	7,222
Investments	1,283	1,288
Notes and interest receivable, net of current portion		240
Property and equipment, at cost less accumulated depreciation	1,167	1,222
Patents, net	121	133
Total assets	10,034	10,105
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable	754	463
Deferred revenue, current portion	915	907
Accrued payroll	411	460
Accrued expenses	638	669
Other current liabilities	280	369
Total current liabilities	2,998	2,868
Deferred revenue, net of current portion	45	50
Other long-term liabilities	134	140
Common stock, $0.01 par value, 20,000,000 shares authorized, 8,958,028 issued and outstanding at March 31, 2012 and December 31, 2011	90	90
Additional paid-in capital	21,479	21,461
Accumulated other comprehensive loss	(63)	(111)
Accumulated deficit	(14,285)	(14,290)
Total Intelligent Systems Corporation stockholders’ equity	7,221	7,150
Non-controlling interest	(364)	(103)
Total stockholders’ equity	6,857	7,047
Total liabilities and stockholders’ equity	$ 10,034	$ 10,105