Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 5,224	$ 8,021
Marketable securities	2,093	3,954
Accounts receivable, net of allowance for doubtful accounts of $677 and $328, respectively	10,148	10,137
Inventories	6,142	4,649
Prepaid expenses and other receivables	1,644	2,017
Deferred income taxes	429	230
Total current assets	25,680	29,008
Property and equipment:
Furniture and fixtures	444	380
Leasehold improvements	363	158
Equipment	3,364	2,714
Property and equipment, gross	4,171	3,252
Accumulated depreciation	2,736	2,130
Property and equipment, net	1,435	1,122
Deferred income taxes	3,131
Intangible assets	7,888	9,513
Goodwill	3,120	14,713
TOTAL ASSETS	41,254	54,356
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable	1,998	2,094
Accrued compensation	1,013	1,364
Accrued warranty and other	1,534	1,467
Earn-outs payable		2,928
Income taxes payable	67	17
Total current liabilities	4,612	7,870
Deferred income taxes		290
Income taxes payable	316	175
Shareholders' equity:
Preferred stock, $.01 par value; 5,000,000 shares authorized, none issued or outstanding
Common stock, $.01 par value; 20,000,000 shares authorized, 4,910,619 and 4,878,519 issued and outstanding, respectively	49	49
Additional paid-in capital	22,619	22,065
Accumulated other comprehensive income (loss)	(180)	52
Retained earnings	13,838	23,855
Total shareholders' equity	36,326	46,021
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 41,254	$ 54,356