Consolidated Balance Sheets - USD ($)	Dec. 31, 2017	Dec. 31, 2016
ASSETS
Cash and Cash Equivalents	$ 8,406,917	$ 17,180,594
Investments available for sale	24,648,459	40,759,703
Accounts Receivable, net of a reserve of $6,000 in 2017 and $5,000 in 2016	6,355,566	6,393,228
Inventory	7,637,384	12,141,072
Other Current Assets	1,779,992	2,034,598
Total Current Assets	48,828,318	78,509,195
Property and Equipment, net	2,548,978	1,391,575
Inventory, Non-Current	5,986,752	1,826,554
Intangible Assets	4,028	4,382
Goodwill	920,745	920,745
Other Non-current Assets	490,819	501,187
Total Assets	58,779,640	83,153,638
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts Payable	4,222,159	5,858,234
Accrued Liabilities	4,715,712	4,210,151
Customer Deposits	205,303	77,217
Total Current Liabilities	9,143,174	10,145,602
Deferred License Revenue	16,723,318	20,051,737
Shareholders' Equity:
Common Shares, no par value, 51,761,040 and 51,527,711 shares issued and outstanding	273,210,907	268,199,939
Accumulated Deficit	(240,262,376)	(214,341,092)
Accumulated Other Comprehensive Income	(35,383)	(902,548)
Total Shareholders' Equity	32,913,148	52,956,299
Total Liabilities And Shareholders' Equity	$ 58,779,640	$ 83,153,638

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.