Condensed Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net loss	$ (464,869)	$ (508,172)
Adjustment for non-cash items:
Depreciation and amortization	392,183	451,195
Stock-based compensation	0	2,107
Deferred income taxes and other	(104,411)	(104,470)
Gain on sale of building	1,706,878	0
Change in operating assets and liabilities:
Accounts receivable	110,773	(341,765)
Inventories	(307,899)	120,398
Prepaid expenses and other current assets	(27,737)	89,991
Other assets	102,021	(318,867)
Accounts payable and accrued liabilities	(1,365,517)	1,077,740
Deferred revenue	(217,879)	(1,763,098)
Net cash used in operating activities	(3,590,213)	(1,294,941)
Cash flows from investing activities:
Purchase of property and equipment	(180,144)	(870,588)
Purchase of intangible assets	0	(40,508)
Proceeds from sale of equipment	4,818,756	0
Net cash provided by (used in) investing activities	4,638,612	(911,096)
Cash flows from financing activities:
Payments of long-term obligations	(1,136,347)	(157,807)
Proceeds from exercise of stock options	0	0
Net cash used in financing activities	(1,136,347)	(157,807)
Effect of exchange rate changes on cash flows	258,049	16,488
Net increase (decrease) in cash and cash equivalents	170,101	(2,347,356)
Cash and cash equivalents, beginning of period	1,921,349	3,745,684
Cash and cash equivalents, end of period	$ 2,091,450	$ 1,398,328