Consolidated Balance Sheets - USD ($)	Mar. 31, 2018	Dec. 31, 2017
ASSETS
Cash and Cash Equivalents	$ 3,278,087	$ 8,406,917
Investments available for sale	24,821,682	24,648,459
Accounts Receivable, net of a reserve of $3,400 in 2018 and $11,000 in 2017	5,993,708	6,355,566
Inventory	8,544,854	7,637,384
Other Current Assets	1,607,440	1,779,992
Total Current Assets	44,245,771	48,828,318
Property and Equipment, net	2,572,619	2,548,978
Inventory, Non-Current	3,722,901	5,986,752
Intangible Assets	3,940	4,028
Goodwill	920,745	920,745
Other Non-current Assets	490,703	490,819
Total Assets	51,956,679	58,779,640
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts Payable	4,012,341	4,222,159
Accrued Liabilities	4,191,501	4,715,712
Customer Deposits	235,078	205,303
Total Current Liabilities	8,438,920	9,143,174
Deferred License Revenue	16,150,609	16,723,318
Shareholders' Equity:
Common Shares, no par value, 51,768,424 and 51,768,424 shares issued and outstanding	274,386,910	273,210,907
Accumulated Deficit	(246,791,897)	(240,262,376)
Accumulated Other Comprehensive Income	(227,863)	(35,383)
Total Shareholders' Equity	27,367,150	32,913,148
Total Liabilities And Shareholders' Equity	$ 51,956,679	$ 58,779,640

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.