Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities:
Net income	$ 409,900	$ 4,046,300
Adjustment to reconcile net income to net cash (used) provided by operating activities:
Depreciation and amortization	75,100	79,400
Stock-based compensation	127,900	34,400
Deferred income taxes	265,600	(2,603,200)
Change in operating assets and liabilities:
Accounts receivables	(1,075,000)	(630,900)
Inventories	(855,200)	(844,900)
Prepaid expenses and other assets	92,100	60,000
Income taxes payable (receivable)	(22,400)	6,300
Accounts payable and accrued expenses	(16,000)	865,600
Total adjustments to net income	(1,407,900)	(3,033,300)
Net Cash (Used) Provided by Operating Activities	(998,000)	1,013,000
Cash flow from investing activities:
Cash paid for Acquisition	(9,093,000)	0
Purchase of property and equipment	(175,700)	(87,200)
Net Cash Used by Investing Activities	(9,268,700)	(87,200)
Cash flow from financing activities:
Borrowing under line-of-credit	3,694,200	0
Proceeds from issuance of long-term debt	2,400,000	0
Debt issuance costs	(75,200)	0
Proceeds from exercise of stock options	27,200	31,700
Net Cash Provided by Financing Activities	6,046,200	31,700
Net (Decrease) Increase in Cash and Cash Equivalents	(4,220,500)	957,500
Cash and Cash Equivalents, beginning of period	7,165,100	5,896,600
Cash and Cash Equivalents, end of period	2,944,600	6,854,100
Supplemental disclosures:
Cash paid during the period for interest	$ 17,100	$ 14,600