Condensed Consolidated Statements of Cash Flows (USD $)	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities:
Net earnings (loss)	$ (49,818)	$ 160,364
Adjustment for non-cash items:
Depreciation and amortization	279,355	253,143
Stock-based compensation	17,723	21,615
Deferred income taxes	(33,616)	(11,414)
Change in operating assets and liabilities:
Accounts receivable	(375,969)	(72,961)
Inventories	10,628	(202,699)
Prepaid expenses and other current assets	(314,161)	(369,832)
Other assets	(4,399)	(20,984)
Accounts payable and accrued liabilities	(34,572)	720,473
Deferred revenue	(21,541)	1,083,327
Net cash provided by (used in) operating activities	(526,370)	1,561,032
Cash flows from investing activities:
Purchase of property and equipment	(69,928)	(65,274)
Net cash used in investing activities	(69,928)	(65,274)
Cash flows from financing activities:
Payments of long-term obligations	(89,270)	(82,634)
Net cash used in financing activities	(89,270)	(82,634)
Effect of exchange rate changes on cash flows	(9,365)	(19,055)
Net increase (decrease) in cash and cash equivalents	(694,933)	1,394,069
Cash and cash equivalents, beginning of period	3,858,544	4,220,152
Cash and cash equivalents, end of period	$ 3,163,611	$ 5,614,221