Consolidated Balance Sheets - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 34,510,330	$ 38,203,059
Marketable securities	15,622,111	14,564,115
Accounts receivable, net of allowances	7,330,127	6,077,120
Inventories	5,371,729	4,270,143
Prepaid and other current assets	2,710,967	1,468,913
Total current assets	65,545,264	64,583,350
Property and equipment, net	464,454	536,450
Intangible assets, net	22,154,176	21,168,596
Deferred tax assets	3,119,930	3,739,510
Other assets	2,120,742	1,891,053
Total assets	93,404,566	91,918,959
Current liabilities:
Accounts payable	8,036,611	2,877,479
Other current liabilities	6,755,652	9,534,268
Total current liabilities	14,792,263	12,411,747
Revolving line of credit	4,100,000	1,700,000
Other long-term liabilities	1,391,484	987,429
Total liabilities	20,283,747	15,099,176
Commitments and contingencies
Shareholders’ equity:
Common stock – no par value; 100,000,000 shares authorized; 16,074,176 and 16,379,501 shares issued and outstanding as of December 31, 2016 and 2015, respectively	54,643,268	57,338,294
Retained earnings	18,604,931	19,549,614
Total shareholders’ equity	73,248,199	76,887,908
Noncontrolling interests	(127,380)	(68,125)
Total equity	73,120,819	76,819,783
Total liabilities and equity	$ 93,404,566	$ 91,918,959

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.