Condensed Consolidated Statements of Cash Flows (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net earnings (loss)	$ (154,980)	$ 246,876
Adjustment for non-cash items:
Depreciation and amortization	294,343	282,883
Stock-based compensation	9,474	17,723
Deferred income taxes and other	3,848	115,826
Casualty gain	0	(443,064)
Change in operating assets and liabilities:
Accounts receivable	(83,361)	(375,969)
Inventories	802,804	10,628
Prepaid expenses and other current assets	(758,147)	(314,161)
Other assets	(107,150)	(4,399)
Accounts payable and accrued liabilities	(386,408)	(31,172)
Deferred revenue	(375,803)	(21,541)
Net cash provided by (used in) operating activities	(755,380)	(516,370)
Cash flows from investing activities:
Purchase of property and equipment	(11,292)	(705,175)
Insurance proceeds	0	625,247
Net cash used in investing activities	(11,292)	(79,928)
Cash flows from financing activities:
Payments of long-term obligations	(96,441)	(89,270)
Net cash used in financing activities	(96,441)	(89,270)
Effect of exchange rate changes on cash flows	60,562	(9,365)
Net increase (decrease) in cash and cash equivalents	(802,551)	(694,933)
Cash and cash equivalents, beginning of period	3,896,087	3,858,544
Cash and cash equivalents, end of period	$ 3,093,536	$ 3,163,611