Condensed Consolidated Balance Sheets (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current Assets
Cash and cash equivalents	$ 4,899	$ 5,050
Trade accounts receivable (net of allowance for doubtful accounts of $44 at September 30, 2011 and at December 31, 2010, respectively)	3,267	3,900
Inventories, net	12,220	11,942
Deferred tax assets, net	2,165	2,165
Prepaid expenses and other current assets	505	703
Total current assets	23,056	23,760
Property, plant and equipment, net	1,245	1,357
Deferred tax assets, net	5,637	5,637
Capitalized software, net	3,027	3,776
Other assets	228	262
Total assets	33,193	34,792
Current Liabilities
Accounts payable	1,474	2,753
Accrued compensation and related taxes	856	795
Accrued warranty expense	297	266
Accrued other expenses and other current liabilities	261	202
Total current liabilities	2,888	4,016
Deferred revenue	612	386
Long-term debt	1,800	2,000
Total liabilities	5,300	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 September 30, 2011 and December 31, 2010, respectively	8,111	8,105
Additional paid-in capital	24,529	24,404
Accumulated deficit	(4,747)	(4,119)
Total stockholders' equity	27,893	28,390
Total liabilities and stockholders' equity	$ 33,193	$ 34,792