CONDENSED BALANCE SHEETS (USD $)	Sep. 30, 2013	Dec. 31, 2012
Current Assets:
Cash and cash equivalents	$ 20,735,000	$ 20,271,000
Accounts receivable, net	4,988,000	3,784,000
Inventories	343,000	310,000
Deferred tax assets	475,000	478,000
Income tax receivable	25,000	800,000
Prepaid expenses and other	414,000	516,000
Total Current Assets	26,980,000	26,159,000
Other Assets:
Property and equipment, net	1,871,000	2,149,000
Other, net	3,056,000	3,398,000
Total Assets	31,907,000	31,706,000
Current Liabilities:
Accounts payable	2,851,000	2,122,000
Accrued liabilities	1,624,000	1,844,000
Income tax payable	248,000
Deferred revenue	823,000	402,000
Total Current Liabilities	5,546,000	4,368,000
Long-Term Liabilities:
Deferred tax liabilities	413,000	413,000
Accrued income taxes	430,000	430,000
Total Long-Term Liabilities	843,000	843,000
Commitments and Contingencies
Shareholders' Equity:
Common stock, par value $.01: Authorized shares - 40,000,000 Issued and outstanding shares - 12,742,000 at September 30, 2013 and 13,602,000 at December 31, 2012	127,000	136,000
Additional paid-in capital	20,772,000	22,678,000
Retained earnings	4,619,000	3,681,000
Total Shareholders' Equity	25,518,000	26,495,000
Total Liabilities and Shareholders' Equity	$ 31,907,000	$ 31,706,000