Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current Assets
Cash and cash equivalents	$ 2,693	$ 5,050
Trade accounts receivable (net of allowance for doubtful accounts of $44 in 2011 and 2010, respectively)	4,155	3,900
Inventories, net	12,148	11,942
Deferred tax assets	3,458	2,165
Prepaid expenses and other current assets	526	703
Total current assets	22,980	23,760
Property, plant and equipment, net	1,158	1,357
Deferred tax assets, net	4,712	5,637
Capitalized software, net	2,778	3,776
Other assets	219	262
Total assets	31,847	34,792
Current Liabilities
Accounts payable	1,756	2,753
Accrued compensation and related taxes	807	795
Accrued warranty expense	247	266
Accrued other expenses and other current liabilities	318	202
Deferred revenue - current	385	0
Total current liabilities	3,513	4,016
Deferred revenue	265	386
Long-term debt	0	2,000
Total liabilities	3,778	6,402
Commitments and contingencies
Stockholders' equity:
Preferred stock; $1.00 par value; 1,000,000 authorized shares none issued or outstanding.	0	0
Common stock; $.60 par value; 20,000,000 authorized shares:13,519,323 and 13,508,815 issued and outstanding shares at December 31, 2011 and 2010, respectively	8,111	8,105
Additional paid-in capital	24,570	24,404
Accumulated deficit	(4,612)	(4,119)
Total stockholders' equity	28,069	28,390
Total liabilities and stockholders' equity	$ 31,847	$ 34,792