Consolidated Balance Sheets (unaudited) - USD ($)	Sep. 30, 2016	Jun. 30, 2016
Current assets:
Cash and cash equivalents	$ 3,583,772	$ 2,908,024
Trade accounts receivable, net of allowance of $4,430 and $4,598	3,313,420	3,545,871
Inventories, net	3,984,376	3,836,809
Other receivables	120,326	209,172
Prepaid expenses and other assets	576,917	652,308
Total current assets	11,578,811	11,152,184
Property and equipment, net	4,516,820	4,370,045
Other assets	106,964	66,964
Total assets	16,202,595	15,589,193
Current liabilities:
Accounts payable	1,438,276	1,361,914
Accrued liabilities	489,267	328,144
Accrued payroll and benefits	1,470,774	1,356,255
Capital lease obligation, current portion	166,454	166,454
Total current liabilities	3,564,771	3,212,767
Capital lease obligation, less current portion	143,619	178,919
Deferred rent	515,856	548,202
Warrant liability	621,469	717,393
Total liabilities	4,845,715	4,657,281
Commitments and contingencies (Notes 11 and 12)
Stockholders' equity:
Preferred stock: Series D, $.01 par value, voting; 100,000 shares authorized; none issued and outstanding
Common stock: Class A, $.01 par value, voting; 34,500,000 shares authorized; 15,653,258 and 15,590,945 shares issued and outstanding	156,533	155,909
Additional paid-in capital	214,913,912	214,661,617
Accumulated other comprehensive income	157,661	126,108
Accumulated deficit	(203,871,226)	(204,011,722)
Total stockholders' equity	11,356,880	10,931,912
Total liabilities and stockholders' equity	$ 16,202,595	$ 15,589,193

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.